Guild Serial Number Lookup
Guild’s official documentation of serial numbers is not comprehensive, as some lists have been lost in the past. To indetify the year of production for your Guild you can use serial number lookup guide and refer to the information provided below. To lookup the production year of your Guild guitar you can use serial number decoder and refer to the Info provided below.
For extended search you can also
Where to find Guild serial number Location?
You can find the serial number of a guitar stamped on the back of the headstock. In the case of (semi) acoustic guitars, it may also be located on the bottom inside of the body or stamped on the neck block.

Guild Serial number Decoder
The tables below provide the most accurate information available to Guild to distinguish date of manufacture by serial number. But as already mentioned, the documentation of the serial numbers is not complete because there are lists in the past have been lost causing leaving some gaps in the dating.
Guild serial numbers 1952-1959
Year | Last Serial Number Produced Is Estimate |
---|---|
1953 | 1000-1500 |
1954 | 1500-2200 |
1955 | 2200-3000 |
1956 | 3000-4000 |
1957 | 4000-5700 |
1958 | 5700-8300 |
1959 | 12035 |
The table below shows the first and last serial numbers of guitars produced from 1960 to 1969.
Guild serial numbers 1960s
YEAR | FIRST NUMBER | LAST NUMBER |
---|---|---|
1960 | 12036 | 14713 |
1961 | 14714 | 18419 |
1962 | 18420 | 22722 |
1963 | 22723 | 28943 |
1964 | 28944 | 38636 |
1965 | – | 46606 |
1966 | – | 46608 |
1967 | – | 46637 |
1968 | – | 46656 |
1969 | – | 46695 |
From 1965 to 1969, Guild used a separate serial numbering system for each model. The table below lists the year, model, start and final serial numbers for each guitar.
Guild serial numbers Database 1965-1967
MODEL | 1965 | 1966 | 1967 |
---|---|---|---|
A50 | AB101 – 136 | AB137 – 162 | AB163 – 203 |
A150 | N/A | N/A | N/A |
A350 | N/A | N/A | N/A |
A500 | N/A | AF101 – 102 | N/A |
ARTIST AWARD | AA101 | AA102 – 113 | AA114 – 139 |
BB195-241 | N/A | N/A | N/A |
GEORGE BARNES a/e | N/A | N/A | N/A |
CA100 | N/A | N/A | N/A |
CE100 | EF101 – 211 | EF212 – 396 | EF397 – 549 |
D25 | N/A | N/A | N/A |
D35 | N/A | N/A | N/A |
D40 | AJ101 – 333 | AJ334 – 1136 | AJ1137 – 2244 |
D44 | AC101 – 166 | AC167 – 318 | AC319 – 435 |
D50 | AL101 – 192 | AL193 – 301 | AL302 – 513 |
D55 | N/A | N/A | N/A |
DD238-395 | N/A | N/A | N/A |
DE400 | EH101 – 126 | EH127 – 233 | EH234 – 276 |
DE500 | EI101 – 107 | EI108 – 116 | EI117 – 136 |
F20 | AG101 – 316 | AG317 – 1534 | AG1535 – 2499 |
F30 | AI101 – 341 | AI352 – 1142 | AI1143 – 1855 |
F47 | AK101 – 128 | AK129 – 218 | AK219 – 418 |
F50 | AD101 – 119 | AD120 – 190 | AD191 – 291 |
F112 | N/A | N/A | N/A |
F212 | AN101 – 228 | AN229 – 810 | AN811 – 1558 |
F312 | AS101 – 136 | AS142 – 230 | AS231 – 335 |
F412 | N/A | N/A | N/A |
F512 | N/A | N/A | N/A |
JET STAR BASS | SD101 – 108 | SD109 – 327 | SD328 – 343 |
MARK I | CA101 – 110 | CA317 – 996 | CA997 – 1973 |
MARK II | CB101 – 247 | CB248 – 967 | CB968 – 1773 |
MARK III | CC101 – 252 | CC253 – 666 | CC667 – 992 |
MARK IV | CD101 – 128 | CD129 – 292 | CD293 – 491 |
MARK V | CE101 – 120 | CE121 – 137 | CE138 – 195 |
MARK VI | N/A | N/A | CF101 – 128 |
M20 ѕ | Some AH #’s | N/A | N/A |
M65 ѕ | EC101 – 182 | EC183 – 267 | EC268 – 322 |
M65 | ED101 – 160 | ED161 – 194 | ED195 – 270 |
M75 | N/A | N/A | N/A |
M85 | N/A | N/A | N/A |
S50 | SA101 – 201 | SA202 – 490 | SA491 – 584 |
S100 | SB101 – 169 | SB170 – 220 | SB221 – 251 |
S200 | SC101 | SC102 – 153 | SC154 – 166 |
ST100 | N/A | N/A | N/A |
STARFIRE II | EK101 – 387 | EK388 – 2098 | EK2099 – 2819 |
STARFIRE III | EK101 – 387 | EK388 – 2098 | EK2099 – 2819 |
STARFIRE IV | EL101 – 276 | EL277 – 1167 | EL1168 – 1840 |
STARFIRE V | EN101 – 194 | EN195 – 927 | EN928 – 1807 |
STARFIRE VI | DB101 – 174 | DB175 – 274 | DB275 – 329 |
STARFIRE XII | N/A | DC101 – 586 | DC587 – 896 |
STARFIRE BASS | BA101 – 177 | BA178 – 654 | BA655 – 1696 |
T50 | EB101 – 196 | EB197 – 391 | EB392 – 558 |
T100 | EE101 – 601 | EE602 – 1939 | EE1940 – 2794 |
X50 | EA101 – 202 | EA203 – 326 | EA327 – 491 |
X175 | EG101 – 107 | EG108 – 160 | EG161 – 239 |
X500 | DA101 – 106 | DA107 – 138 | DA139 – 180 |
Guild serial numbers database 1968-1969
MODEL | 1968 | 1969 |
---|---|---|
A50 | AB204 – 240 | N/A |
A150 | AI101 – 108 | AI109 – 113 |
A350 | OD101 – 109 | OD110 – 112 |
A500 | AF103 – 115 | N/A |
ARTIST AWARD | AA140 – 157 | AA158 – 167 |
BB195-241 | N/A | N/A |
GEORGE BARNES a/e | N/A | OF101 – 104 |
CA100 | OH101 – 113 | OH114 |
CE100 | EF550 – 719 | EF720 – 760 |
D25 | OG101 – 192 | OG203 – 233 |
D35 | OJ101 – 1003 | OJ1004 – 1592 |
D40 | AJ2245 – 2825 | AJ2826 – 3218 |
D44 | AC436 – 488 | AC489 – 570 |
D50 | AL514 – 584 | AL585 – 698 |
D55 | OI101 – 105 | OI106 – 113 |
DD238-395 | N/A | N/A |
DE400 | EH277 – 301 | N/A |
DE500 | N/A | EI137 – 141 |
F20 | AG2500 – 2793 | AG2794 – 2822 |
F30 | AI1856 – 2270 | AI2271 – 2554 |
F47 | AK419 – 488 | AK489 – 583 |
F50 | AD292 – 355 | AD356 – 418 |
F112 | OA101 – 511 | OA512 – 695 |
F212 | AN1559 – 2009 | AN2010 – 2271 |
F312 | AS336 – 376 | AS377 – 497 |
F412 | OB101 – 110 | OB111 – 114 |
F512 | OC201 – 206 | OC207 – 223 |
JET STAR BASS | N/A | N/A |
MARK I | CA1974 – 2156 | N/A |
MARK II | CB1774 – 2018 | N/A |
MARK III | CC993 – 1203 | N/A |
MARK IV | CD492 – 541 | N/A |
MARK V | N/A | N/A |
MARK VI | CF129 – 175 | CF176 – 197 |
M20 ѕ | N/A | OE101 – 102 |
M65 ѕ | EC323 – 334 | N/A |
M65 | ED271 – 335 | ED336 – 414 |
M75 | DD101 – 138 | DD139 – 237 |
M85 | BB101 – 109 | BB110 – 194 |
S50 | N/A | N/A |
S100 | SB252 – 269 | N/A |
S200 | SC167 – 191 | N/A |
ST100 | ES101 – 275 | ES276 – 318 |
STARFIRE II | EK2820 – 3028 | EK3029 – 3098 |
STARFIRE III | EK2820 – 3028 | EK3029 – 3098 |
STARFIRE IV | EL1841 – 2223 | EL2224 – 2272 |
STARFIRE V | EN1808 – 2141 | EN2142 – 2272 |
STARFIRE VI | DB330 – 339 | N/A |
STARFIRE XII | DC897 | DC899 – 910 |
STARFIRE BASS | BA1697 – 1946 | BA1947 – 2043 |
T50 | EB559 – 607 | EB608 – 652 |
T100 | EE2795 – 3003 | EE3004 – 3109 |
X50 | EA492 – 502 | EA503 – 506 |
X175 | EG240 – 322 | EG323 – 346 |
X500 | DA181 – 235 | DA236 – 244 |
The table below shows the first and last serial numbers of guitars, produced from 1970 to 1979. Corresponding model names or numbers are not available.
Guild serial numbers database 1970-1979
YEAR | FIRST NUMBER | LAST NUMBER |
---|---|---|
1970 | 46696 | 50978 |
1971 | 50979 | 61463 |
1972 | 61464 | 75602 |
1973 | 75603 | 95496 |
1974 | 95497 | 112803 |
1975 | 112804 | 130304 |
1976 | 130305 | 149625 |
1967 | 149626 | 169867 |
1968 | 169868 | 195067 |
1979 | 195068 | 211877 (tot 30 Sep. 1979) |
From 1979 through 1983, Guild continued to use separate serial number prefixes for every guitar model. The table below shows the year, model and last serial number.
Guild serial numbers database 1979-1983
MODEL | 1979 | 1980 | 1981 | 1982 | 1983 |
---|---|---|---|---|---|
ARTIST AWARD | JA100012 | JA100043 | JA100067 | JA100097 | JA100107 |
B301-B302 | BB100400 | BB100846 | N/A | N/A | N/A |
B301A-B302A | BC100061 | BC100196 | BB100235 | N/A | N/A |
B401-B402 | N/A | BD100212 | BD100335 | N/A | N/A |
B50 | BA100002 | BA100012 | BA100168 | BA100212 | BA100249 |
BLUES BIRD | N/A | N/A | N/A | N/A | N/A |
BRIAN MAY | N/A | N/A | N/A | N/A | N/A |
CE100 | KA100015 | KA100077 | KA100136 | KA100159 | KA100169 |
D15 | N/A | N/A | N/A | N/A | AH100617 |
D15/12 | N/A | N/A | N/A | N/A | EL100064 |
D17 | N/A | N/A | N/A | N/A | N/A |
D17/12 | N/A | N/A | N/A | N/A | N/A |
D25 | DA100914 | DA105752 | DA109433 | DA111910 | DA112936 |
D25C | N/A | N/A | N/A | N/A | EH100098 |
D35 | DB100503 | DB102097 | DB103268 | DB103743 | DB104078 |
D40 | DC100247 | DC101105 | DC101638 | DC101782 | DC101889 |
D40C | N/A | DG100542 | DG100818 | DG100959 | DG101002 |
D46 | N/A | DL100131 | DL100622 | N/A | DL100784 |
D47CE | N/A | N/A | N/A | N/A | GE100026 |
DS48CE | N/A | N/A | N/A | N/A | GF100024 |
D50 | DD100212 | DD100944 | DD101382 | DD101588 | DD101737 |
D52 | N/A | N/A | N/A | N/A | EK100034 |
D55 | DE100236 | DE100661 | DE101058 | DE101186 | DE101247 |
D62 | N/A | N/A | N/A | N/A | N/A |
D64 | N/A | N/A | N/A | N/A | N/A |
D66 | N/A | N/A | N/A | N/A | N/A |
D70 | N/A | N/A | EF100151 | EF100208 | EF100250 |
D80 | N/A | N/A | N/A | N/A | EG100014 |
D212 | N/A | N/A | AA101085 | AA101529 | AA101895 |
D312 | N/A | N/A | N/A | N/A | N/A |
N/A | N/A | N/A | N/A | N/A | AG100019 |
F20 | FA100051 | FA100244 | FA100394 | FA100490 | FA100524 |
F30 | FB100073 | FB100235 | FB100382 | FB100440 | FB100472 |
F30R | N/A | GG100123 | GG1-174 | GG100203 | GG100207 |
F40 | FC100015 | FC100197 | FC100381 | FC100393 | N/A |
F42 | N/A | N/A | N/A | N/A | N/A |
F44 | N/A | N/A | N/A | N/A | N/A |
F45CE | N/A | N/A | N/A | GG100006 | GG100409 |
F45/12 | N/A | N/A | N/A | N/A | N/A |
F46 | N/A | N/A | N/A | N/A | N/A |
FS46BASS | N/A | N/A | N/A | N/A | BF100008 |
FS46CE | N/A | N/A | N/A | N/A | EJ100205 |
FS46CE/12 | N/A | N/A | N/A | N/A | GH100005 |
F50 | FD100018 | FD100286 | FD100424 | FD100484 | FD100535 |
F50R | FE100025 | FE100261 | FE100340 | FE100426 | FE100431 |
F112 | FF100199 | FF100277 | FF100286 | FF100294 | N/A |
F212 | FG100014 | FG100194 | FG100308 | FG100324 | FG100342 |
F212C | FH100001 | FH100056 | FH100424 | N/A | N/A |
F212XL | N/A | FJ100233 | FJ100401 | FJ100486 | FJ100525 |
F412 | FK100045 | FK100221 | FK100342 | FK100385 | FK100405 |
F512 | FL100040 | FL100225 | FL100362 | FL100440 | FL100477 |
G37 | DF100052 | DF100814 | DF101339 | DF101579 | DF101774 |
G45 | N/A | N/A | N/A | GD100002 | GD100050 |
G212 | DH100035 | DH100248 | DH100398 | DH100419 | DH100436 |
G312 | DJ100014 | DJ100164 | DJ100235 | DJ100263 | DJ100281 |
M80 | N/A | HA100003 | HA100229 | HA100339 | HA100350 |
MARK II | CA100005 | CA100246 | CA100424 | CA100510 | CA100570 |
MARK III | CB100014 | CB100163 | CB100283 | CB100305 | CB100367 |
MARK IV | CC100017 | CC100101 | CC100199 | CC100218 | CC100232 |
MARK V | CD100021 | CD100064 | CD100089 | CD100124 | CD100137 |
MKS10CE | N/A | N/A | N/A | N/A | N/A |
NIGHT BIRD | N/A | N/A | N/A | N/A | N/A |
PROTOTYPES | N/A | LL100031 | LL100108 | LL100147 | LL100198 |
S25 | N/A | N/A | AC100159 | AC100293 | AC100339 |
S60 – S65 | ED100050 | ED100349 | ED100499 | ED100500 | N/A |
S60D | EC100019 | EC100169 | EC100207 | N/A | N/A |
S70 | EE100019 | EE100154 | EE100246 | N/A | N/A |
S250 | N/A | N/A | AB100154 | AB100236 | AB100250 |
S260 | N/A | N/A | N/A | N/A | AK100030 |
S275 | N/A | N/A | N/A | AF100139 | AF100110 |
S280 – S281 | N/A | N/A | N/A | N/A | HC100050 |
S282 | N/A | N/A | N/A | N/A | N/A |
S284 | N/A | N/A | N/A | N/A | N/A |
S285 | N/A | N/A | N/A | N/A | N/A |
S300 | EA100023 | EA100112 | EA100468 | N/A | EA100470 |
S300A | EB100023 | EB100039 | EB100229 | N/A | EB100230 |
SB201-SB202 | N/A | N/A | N/A | AE100426 | AE100452 |
SB600 SB602 SB603 | N/A | N/A | N/A | N/A | BE100050 |
SB604 | N/A | N/A | N/A | N/A | BH100266 |
SB605 | N/A | N/A | N/A | N/A | N/A |
SB608 | N/A | N/A | N/A | N/A | N/A |
SF4 | GA100051 | GA100439 | GA100686 | GA100713 | GA100713 |
STUDIO 24 | N/A | N/A | N/A | N/A | N/A |
T50 | N/A | N/A | N/A | HD100019 | N/A |
T250 | N/A | N/A | N/A | N/A | N/A |
X79 | N/A | N/A | AD100304 | AD100342 | AD100509 |
X80 | N/A | N/A | N/A | N/A | HD100023 |
X82 | N/A | N/A | JF100107 | JF100311 | JF100430 |
X88 | N/A | N/A | N/A | N/A | N/A |
X92 | N/A | N/A | N/A | N/A | N/A |
X100 | N/A | N/A | N/A | N/A | N/A |
X170 | N/A | N/A | N/A | N/A | N/A |
X175 | JC100014 | JC100082 | JC100177 | JC100184 | JC100205 |
X500 | JB100036 | JB100082 | JB100136 | JB100144 | JB100148 |
X701-X702 | N/A | N/A | N/A | JD100174 | JD100234 |
F50 | FD100018 | FD100286 | FD100424 | FD100484 | FD100535 |
F50R | FE100025 | FE100261 | FE100340 | FE100426 | FE100431 |
F112 | FF100199 | FF100277 | FF100286 | FF100294 | N/A |
F212 | FG100014 | FG100194 | FG100308 | FG100324 | FG100342 |
F212C | FH100001 | FH100056 | FH100424 | N/A | N/A |
F212XL | N/A | FJ100233 | FJ100401 | FJ100486 | FJ100525 |
F412 | FK100045 | FK100221 | FK100342 | FK100385 | FK100405 |
F512 | FL100040 | FL100225 | FL100362 | FL100440 | FL100477 |
G37 | DF100052 | DF100814 | DF101339 | DF101579 | DF101774 |
G45 | N/A | N/A | N/A | GD100002 | GD100050 |
G212 | DH100035 | DH100248 | DH100398 | DH100419 | DH100436 |
G312 | DJ100014 | DJ100164 | DJ100235 | DJ100263 | DJ100281 |
M80 | N/A | HA100003 | HA100229 | HA100339 | HA100350 |
MARK II | CA100005 | CA100246 | CA100424 | CA100510 | CA100570 |
MARK III | CB100014 | CB100163 | CB100283 | CB100305 | CB100367 |
MARK IV | CC100017 | CC100101 | CC100199 | CC100218 | CC100232 |
MARK V | CD100021 | CD100064 | CD100089 | CD100124 | CD100137 |
MKS10CE | N/A | N/A | N/A | N/A | N/A |
NIGHT BIRD | N/A | N/A | N/A | N/A | N/A |
PROTOTYPES | N/A | LL100031 | LL100108 | LL100147 | LL100198 |
S25 | N/A | N/A | AC100159 | AC100293 | AC100339 |
S60 – S65 | ED100050 | ED100349 | ED100499 | ED100500 | N/A |
S60D | EC100019 | EC100169 | EC100207 | N/A | N/A |
S70 | EE100019 | EE100154 | EE100246 | N/A | N/A |
S250 | N/A | N/A | AB100154 | AB100236 | AB100250 |
S260 | N/A | N/A | N/A | N/A | AK100030 |
S275 | N/A | N/A | N/A | AF100139 | AF100110 |
S280 – S281 | N/A | N/A | N/A | N/A | HC100050 |
S282 | N/A | N/A | N/A | N/A | N/A |
S284 | N/A | N/A | N/A | N/A | N/A |
S285 | N/A | N/A | N/A | N/A | N/A |
S300 | EA100023 | EA100112 | EA100468 | N/A | EA100470 |
S300A | EB100023 | EB100039 | EB100229 | N/A | EB100230 |
SB201-SB202 | N/A | N/A | N/A | AE100426 | AE100452 |
SB600 SB602 SB603 | N/A | N/A | N/A | N/A | BE100050 |
SB604 | N/A | N/A | N/A | N/A | BH100266 |
SB605 | N/A | N/A | N/A | N/A | N/A |
SB608 | N/A | N/A | N/A | N/A | N/A |
SF4 | GA100051 | GA100439 | GA100686 | GA100713 | GA100713 |
STUDIO 24 | N/A | N/A | N/A | N/A | N/A |
T50 | N/A | N/A | N/A | HD100019 | N/A |
T250 | N/A | N/A | N/A | N/A | N/A |
X79 | N/A | N/A | AD100304 | AD100342 | AD100509 |
X80 | N/A | N/A | N/A | N/A | HD100023 |
X82 | N/A | N/A | JF100107 | JF100311 | JF100430 |
X88 | N/A | N/A | N/A | N/A | N/A |
X92 | N/A | N/A | N/A | N/A | N/A |
X100 | N/A | N/A | N/A | N/A | N/A |
X170 | N/A | N/A | N/A | N/A | N/A |
X175 | JC100014 | JC100082 | JC100177 | JC100184 | JC100205 |
X500 | JB100036 | JB100082 | JB100136 | JB100144 | JB100148 |
X701-X702 | N/A | N/A | N/A | JD100174 | JD100234 |
From 1984 through 1989, Guild continued to add serial number prefixes to each model. The tables below show the year, model and last serial number.
Guild serial numbers database 1984-1986
MODEL | 1984 | 1985 | 1986 |
---|---|---|---|
ARTIST AWARD | JA100122 | JA100127 | JA100133 |
ASHBORY BASS | N/A | N/A | AJ23 |
B30 | N/A | N/A | N/A |
B50 | BA100269 | BA100306 | BA100326 |
B301-B302 | N/A | N/A | N/A |
B301A-B302A | N/A | N/A | N/A |
B401-B402 | N/A | N/A | N/A |
BLUES BIRD | N/A | BJ100060 | BJ100215 |
BRIAN MAY | BHM150 | BHM286 | BMH316 |
CE100 | KA100175 | N/A | N/A |
D15 | AH100924 | AH101371 | AH101815 |
D16 | AH100924 | AH101371 | AH101815 |
D15/12 | EL100144 | EL100211 | N/A |
D17 | AL100092 | AL100402 | AL100575 |
D17/12 | GC100026 | N/A | N/A |
D25 | DA113675 | DA114523 | DA115528 |
D25/12 | N/A | N/A | N/A |
D25C | EH100101 | N/A | N/A |
D30 | N/A | N/A | N/A |
D35 | DB104288 | DB104477 | DB104697 |
D40 | DC101972 | DC102066 | DC102190 |
D40C | DG101032 | DG101068 | DC102190 |
D46 | DL100839 | DL100870 | N/A |
N/A | GE100047 | GE100049 | N/A |
DS48CE | GF100026 | N/A | N/A |
D50 | DD101789 | DD101878 | DD101928 |
D50/12 | D5012014 | N/A | N/A |
D52 | EK100054 | N/A | N/A |
D55 | DE101298 | DE101374 | DE101406 |
D60 | N/A | N/A | N/A |
D62 | KB100046 | KB100060 | N/A |
D64 | KC100031 | KC100051 | KC100193 |
D65 | N/A | N/A | N/A |
D66 | KD100110 | KD100162 | KD100208 |
D70 | EF100263 | EF100280 | N/A |
D80 | EG100017 | EG100019 | N/A |
D100 | N/A | N/A | N/A |
D212 | AA102114 | AA102395 | AA102792 |
D225 | N/A | N/A | N/A |
D312 | N/A | N/A | DJ100299 |
DE500 | AG100148 | AG100153 | AG100169 |
DETONATOR | JH000341 | JH100580 | N/A |
F20 | FA100545 | FA100595 | FA100663 |
F30 | FB100509 | FB100527 | N/A |
F30R | N/A | N/A | N/A |
F40 | N/A | N/A | N/A |
F42 | KG100036 | KG100065 | N/A |
F44 | KH100078 | KH100186 | KH100249 |
F45 | N/A | N/A | N/A |
F45CE | GB100533 | GB100683 | GB100839 |
F45/12 | GJ100030 | N/A | GJ100157 |
F46 | KJ100029 | KJ100089 | KJ100121 |
FS46BASS | N/A | N/A | N/A |
FS46CE | EJ100306 | EJ100370 | EJ100401 |
FS46CE/12 | N/A | N/A | N/A |
F50 | FD100600 | FD100650 | FD100693 |
F50R | FE100462 | FE100479 | FE100505 |
F112 | N/A | N/A | N/A |
F212 | FG100358 | FG100382 | N/A |
F212C | N/A | N/A | N/A |
F212XL | FJ100545 | FJ100567 | N/A |
F412 | FK100445 | FK100476 | FK100506 |
F512 | FL100519 | FL100543 | FL100569 |
G37 | DF101890 | DF101990 | DF102135 |
G45 | GD100053 | GD100080 | N/A |
G212 | N/A | N/A | N/A |
G312 | DJ100287 | N/A | N/A |
GF25 | N/A | N/A | N/A |
GF30 | N/A | N/A | N/A |
GF40 | N/A | N/A | N/A |
GF50 | N/A | N/A | N/A |
GF50R | N/A | N/A | N/A |
GF50/12 | N/A | N/A | N/A |
GF55 | N/A | N/A | GF100002 |
GF60M | N/A | N/A | GF600048 |
GF60R | N/A | N/A | GF60R0087 |
GX SERIES | N/A | N/A | N/A |
JF30 | N/A | N/A | JF300234 |
JF30/12 | N/A | N/A | JF30120198 |
JF50 | N/A | N/A | JF500050 |
JF50/12 | N/A | N/A | JF501250007 |
JF55 | N/A | N/A | FE100562 |
JF65M | N/A | N/A | JF650031 |
JF65R | N/A | N/A | JF65R0019 |
JF65/12 | N/A | N/A | JF65120064 |
JF65R/12 | N/A | N/A | JF65R0018 |
JF212XL | N/A | N/A | FJ100612 |
LIBERATOR | JK000085 | JK000206 | N/A |
M80 | N/A | N/A | N/A |
MARK II | CA100657 | CA100689 | CA100733 |
MARK III | CB100406 | CB100425 | CB100461 |
MARK IV | CC100253 | CC100270 | N/A |
MARK V | CD100156 | CD100176 | CD100184 |
MKS10CE | CE100046 | CE100056 | N/A |
NIGHT BIRD | N/A | BL100104 | BL100324 |
NIGHT BIRD I | N/A | N/A | BE100083 |
NIGHT BIRD II | N/A | N/A | BL100426 |
NIGHTINGALE | JL000040 | JL000082 | N/A |
PRESTIGE ST | N/A | N/A | N/A |
PRESTIGE CL | N/A | N/A | N/A |
PRESTIGE EX | N/A | N/A | N/A |
PROTOTYPES | LL100228 | LL100234 | LL100237 |
S25 | N/A | N/A | N/A |
S60 – S65 | N/A | N/A | N/A |
S60D | N/A | N/A | N/A |
S70 | N/A | N/A | N/A |
S250 | N/A | N/A | N/A |
S260 | N/A | N/A | N/A |
S275 | N/A | N/A | N/A |
S280 – S281 | HC100481 | HC101039 | HC101493 |
S282 | HE100047 | N/A | N/A |
S284 | HG100101 | HG100435 | HG100637 |
S285 | N/A | N/A | GK100011 |
S300 | N/A | N/A | N/A |
S300A | N/A | N/A | N/A |
SB201-SB202 | N/A | N/A | N/A |
SB600 | BE100446 | BE101135 | BE101726 |
SB602 | BE100446 | BE101135 | BE101726 |
SB603 | BE100446 | BE101135 | BE101726 |
SB604 | BH100616 | N/A | N/A |
SB605 | N/A | N/A | BK100177 |
SB608 | BG100068 | BG100116 | N/A |
SB902 | N/A | N/A | N/A |
SB905 | N/A | N/A | N/A |
SF4 | GA100898 | GA100911 | GA100982 |
STUDIO 24 | N/A | N/A | GL100030 |
T50 | N/A | N/A | N/A |
VORTEX | BL100085 | BL100229 | BL100404 |
VORTEX 12 | BL100044 | BL100193 | BL100372 |
VORTEX I | BL100035 | N/A | BL100410 |
VORTEX II | BL100099 | BL100229 | BL100402 |
VORTEX DELUXE | BL100230 | BL100243 | BL100407 |
VORTEX CUSTOM | BL100404 | N/A | N/A |
Guild serial numbers database 1987-1989
MODEL | 1987 | 1988 | 1989 |
---|---|---|---|
ARTIST AWARD | JA100147 | JA100203 | JA100227 |
ASHBORY BASS | AJ1109 | AJ1235 | N/A |
B30 | B300100 | B300230 | B300310 |
B50 | BA100212 | BA100249 | BA300310 |
B301-B302 | N/A | N/A | N/A |
B301A-B302A | N/A | N/A | N/A |
B401-B402 | N/A | N/A | N/A |
BLUES BIRD | BJ100216 | N/A | N/A |
BRIAN MAY | N/A | N/A | N/A |
CE100 | N/A | N/A | N/A |
D15 | D1500642 (?) | D151898 | D151898 |
D16 | N/A | N/A | N/A |
D15/12 | N/A | N/A | N/A |
D17 | AL100886 | AL100888 | N/A |
D17/12 | N/A | N/A | N/A |
D25 | DA001232 ? | DA252265 | D252986 |
D25/12 | D2512467 | N/A | D251005 |
D25C | N/A | N/A | N/A |
D30 | D3000367 ? | D300719 | D300921 |
D35 | DB104754 | DB104754 | N/A |
D40 | D0400233 | DC400482 | D400640 |
D40C | D0400233 | DC400482 | D400640 |
D46 | N/A | N/A | N/A |
N/A | N/A | N/A | N/A |
DS48CE | N/A | N/A | N/A |
D50 | DD101210 | D500447 | D500478 |
D50/12 | N/A | N/A | N/A |
D52 | N/A | N/A | N/A |
D55 | DE101407 | N/A | DE101376 |
D60 | D0600113 | D600234 | D600306 |
D62 | N/A | N/A | N/A |
D64 | N/A | N/A | N/A |
D65 | D0650012 | N/A | N/A |
D66 | N/A | N/A | N/A |
D70 | N/A | N/A | N/A |
D80 | EG100024 | N/A | N/A |
D100 | N/A | N/A | N/A |
D212 | N/A | N/A | N/A |
D225 | N/A | D225768 | N/A |
D312 | DJ100300 | N/A | N/A |
DE500 | N/A | N/A | N/A |
DETONATOR | N/A | N/A | N/A |
F20 | N/A | N/A | N/A |
F30 | N/A | N/A | N/A |
F30R | N/A | N/A | N/A |
F40 | N/A | N/A | N/A |
F42 | N/A | N/A | N/A |
F44 | F0440017 | N/A | N/A |
F45 | F0450311 | F450535 | F450664 |
F45CE | N/A | N/A | N/A |
F45/12 | N/A | N/A | N/A |
F46 | N/A | N/A | N/A |
FS46BASS | N/A | N/A | N/A |
FS46CE | N/A | N/A | N/A |
FS46CE/12 | N/A | N/A | N/A |
F50 | N/A | N/A | N/A |
F50R | FE100515 | N/A | N/A |
F112 | N/A | N/A | N/A |
F212 | N/A | N/A | N/A |
F212C | N/A | N/A | N/A |
F212XL | N/A | N/A | N/A |
F412 | N/A | N/A | N/A |
F512 | N/A | N/A | N/A |
G37 | N/A | N/A | N/A |
G45 | GD100089 | N/A | N/A |
G212 | N/A | N/A | N/A |
G312 | N/A | N/A | N/A |
GF25 | GF250845 | N/A | N/A |
GF30 | GF300604 | N/A | N/A |
GF40 | N/A | N/A | N/A |
GF50 | GF500322 | N/A | N/A |
GF50R | N/A | N/A | N/A |
GF50/12 | GF50120043 | N/A | N/A |
GF55 | GF100002 | N/A | N/A |
GF60M | GF600082 | N/A | N/A |
GF60R | GF600275 | N/A | N/A |
GX SERIES | N/A | N/A | N/A |
JF30 | JF300663 | N/A | N/A |
JF30/12 | J230561 | N/A | N/A |
JF50 | JF500112 | N/A | N/A |
JF50/12 | N/A | N/A | N/A |
JF55 | FE100562 | N/A | N/A |
JF65M | N/A | N/A | N/A |
JF65R | FE100516 | N/A | N/A |
JF65/12 | JF265227 | N/A | N/A |
JF65R/12 | N/A | N/A | N/A |
JF212XL | FJ100612 | N/A | N/A |
LIBERATOR | N/A | N/A | N/A |
M80 | N/A | N/A | N/A |
MARK II | N/A | N/A | N/A |
MARK III | N/A | N/A | N/A |
MARK IV | N/A | N/A | N/A |
MARK V | CD100185 | N/A | N/A |
MKS10CE | N/A | N/A | N/A |
NIGHT BIRD | N/A | N/A | N/A |
NIGHT BIRD I | BE100083 | N/A | N/A |
NIGHT BIRD II | BL100530 | N/A | N/A |
NIGHTINGALE | N/A | N/A | N/A |
PRESTIGE ST | N/A | N/A | N/A |
PRESTIGE CL | N/A | N/A | N/A |
PRESTIGE EX | N/A | N/A | N/A |
PROTOTYPES | LL100238 | FF000006 | |
S25 | N/A | N/A | N/A |
S60 – S65 | ED100050 | ED100349 | ED100499 |
S60D | EC100019 | EC100169 | EC100207 |
S70 | EE100019 | EE100154 | EE100246 |
S250 | N/A | N/A | AB100154 |
S260 | N/A | N/A | N/A |
S275 | N/A | N/A | N/A |
S280 – S281 | N/A | N/A | N/A |
S282 | N/A | N/A | N/A |
S284 | N/A | N/A | N/A |
S285 | N/A | N/A | N/A |
S300 | EA100023 | EA100112 | EA100468 |
S300A | EB100023 | EB100039 | EB100229 |
SB201-SB202 | N/A | N/A | N/A |
SB600 SB602 SB603 | N/A | N/A | N/A |
SB604 | N/A | N/A | N/A |
SB605 | N/A | N/A | N/A |
SB608 | N/A | N/A | N/A |
SF4 | GA100051 | GA100439 | GA100686 |
STUDIO 24 | N/A | N/A | N/A |
T50 | N/A | N/A | N/A |
T250 | N/A | N/A | N/A |
X79 | N/A | N/A | AD100304 |
X80 | N/A | N/A | N/A |
X82 | N/A | N/A | JF100107 |
X88 | N/A | N/A | N/A |
X92 | N/A | N/A | N/A |
X100 | N/A | N/A | N/A |
X170 | N/A | N/A | N/A |
X175 | JC100014 | JC100082 | JC100177 |
X500 | JB100036 | JB100082 | JB100136 |
X701-X702 | N/A | N/A | N/A |
From 1990 to 1993, every model also had a serial number prefix. The table below shows the year, model and last serial number.
Guild serial numbers database 1990-1993
MODEL | 1990 | 1991 | 1992 | 1993 |
---|---|---|---|---|
ARTIST AWARD | JA100274 | JA100280 | JA100328 | JA100379 |
B4E | N/A | N/A | N/A | LD000271 |
B30 | B300373 | B300425 | B300590 | B300727 |
B500CE | N/A | N/A | KF000018 | KF000061 |
BRIAN MAY | N/A | N/A | N/A | BM20022 |
CE100 | N/A | N/A | N/A | LB000069 |
D4 | N/A | CF000323 | CF003381 | CF006541 |
D4-12 | N/A | N/A | CH000631 | CH001045 |
D6/D7 | N/A | N/A | N/A | KL001210 |
D15 | D152418 | D152700 | D153183 | D153484 |
D25 | D253561 | D253790 | D254482 | D254666 |
D25-12 | D251271 | D2251372 | D2251570 | D2251630 |
D30 | D301140 | D301259 | D301458 | D301709 |
D40 | D400824 | D400857 | D400884 | N/A |
D40C | D400824 | D400857 | N/A | N/A |
D50 | D500703 | D500782 | D500964 | D501104 |
D55 | DE101476 | DE101527 | DE101688 | DE101833 |
D60 | D600308 | N/A | N/A | N/A |
D100/D100C | EG100073 | EG100085 | EG100105 | EG100148 |
DCE1 | N/A | N/A | N/A | LH000003 |
DETONATOR | JH000605 | N/A | N/A | N/A |
DV52/DV62 | N/A | N/A | N/A | EK100611 |
F4CE | N/A | N/A | CK000003 | N/A |
F5 | N/A | N/A | N/A | LE000122 |
F15 | F150054 | F150167 | F150254 | N/A |
F20 | FA100818 | FA100874 | FA100890 | N/A |
F25E/F4 | N/A | N/A | CJ000597 | CJ002255 |
F30CE | N/A | N/A | F3000130 | F3000242 |
F30R | N/A | N/A | N/A | GG100118 |
F35 | F350029 | F350038 | F350049 | N/A |
F45 | F450816 | F450860 | F450918 | N/A |
F48 | N/A | N/A | F480006 | N/A |
F65CE | N/A | N/A | F650062 | F650120 |
F512 | FL100603 | N/A | N/A | N/A |
FF5/FF5CE | N/A | N/A | N/A | LF000046 |
GF25 | GF250935 | GF250946 | GF250948 | GF250999 |
GF30 | GF300699 | GF300766 | GF300836 | GF300845 |
GF50 | GF500337 | N/A | N/A | N/A |
GF55 | GF100069 | GF100103 | GF100126 | GF100166 |
GF60R | GF60277 | N/A | N/A | N/A |
GX SERIES | HJ000771 | N/A | N/A | HJ000772 |
JF4 | N/A | N/A | CG000746 | CG001572 |
JF4-12 | N/A | N/A | N/A | LA000166 |
JF30 | JF301099 | JF301224 | JF301528 | JF301880 |
JF30-12 | JF230820 | JF230970 | JF231262 | JF231502 |
JF55 | FE100658 | FE100707 | FE100869 | FE101037 |
JF55-12 | N/A | FL100621 | FL100660 | FL100708 |
JF65 | N/A | N/A | N/A | N/A |
JF65-12 | JF265352 | JF265427 | JF265544 | JF265635 |
JF100 | N/A | JF000002 | JF100008 | JF100021 |
JF100-12 | N/A | N/A | N/A | JF200003 |
JF212-XL | N/A | N/A | N/A | N/A |
NIGHTBIRD CU | BL100597 | BL100626 | BL100634 | N/A |
NIGHTBIRD DX | LC000015 | LC000020 | N/A | N/A |
NIGHTBIRD ST | LB000015 | LB000020 | N/A | N/A |
PRESTIGE CL | JK000025 | JK000038 | JK000044 | N/A |
PRESTIGE EX | JL000011 | JL000016 | JL000037 | N/A |
PRESTIGE ST | JH000089 | JH000120 | JH000172 | N/A |
PROTOTYPES | FF000015 | FF000019 | FF000036 | FF000057 |
S4CE | N/A | N/A | KE000042 | N/A |
PILOT/SB602 | BE103981 | BE104111 | BE104420 | BE104434 |
PILOT/SB605 | BK100569 | BK100594 | BK100748 | BK100783 |
PILOT/SB902 | JE000195 | N/A | N/A | N/A |
PILOT/SB905 | N/A | N/A | N/A | N/A |
STARFIRE/SF4 | GA101002 | GA101072 | GA101115 | GA101147 |
SONGBIRD | KK001267 | KK001352 | KK001847 | KK002243 |
SPECIAL ORDER | FL100571 | N/A | N/A | N/A |
X160/161 | HJ000154 | HJ000176 | HJ000261 | HJ000302 |
X170 | HL100636 | HL100660 | HL100717 | HL100765 |
X2000/4000 | N/A | N/A | CL000053 | CL000054 |
X500 | JB100373 | JB100389 | JB100421 | JB100173 |
For 1994, only the latest serial number of each model is available. For 1995 and 1996, Guild continued to use serial number prefixes for each model, and the first and last serial number of the year.
Guild serial numbers database 1994-1996
MODEL | 1994 | 1995 | 1996 |
---|---|---|---|
ARTIST AWARD | AA000039 | AA000040 – AA000089 | AA000089 – AA000105 |
A25 | N/A | N/A | AF250272 – AF250893 |
A50 | N/A | N/A | AF500079 – AF500194 |
B4E | AB040487 | AB040488 – AB040714 | AB040714 – AB041044 |
B30/B30E | AB300132 | AB300133 – AB300207 | AB300208 – AB300286 |
N/A | N/A | N/A | CL000060 – CL000152 |
BRIAN MAY | BM00415 | N/A | N/A |
BRIAN MAY SIGNATURE | ME00316 | N/A | N/A |
BRIAN MAY SPECIAL | BHM30114 | N/A | N/A |
BRIAN MAY STANDARD | BHD00039 | N/A | N/A |
BM01/BM01(ST) | N/A | BHP00004 – BHP00057 | N/A |
CE100/CE100(HG) | AC100023 | N/A | N/A |
CROSSROADS(CR01) | FA000097 | N/A | N/A |
D4 | AD042116 | AD042117 – AD044518 | AD044518 – AD048099 |
D4E | N/A | AD042117 – AD044518 | N/A |
D4-12 | AD420368 | AD420369 – AD420802 | N/A |
D6 | AD060701 | AD060702 – AD061343 | N/A |
D6E, D6HG, DV6 | N/A | AD060702 – AD061343 | N/A |
D15 | D153520 | N/A | N/A |
D25 | N/A | AD042117 – AD044518 | AD044518 – AD048099 |
D25-12 | N/A | AD420369 – AD420802 | N/A |
D26 | N/A | AD260001 – AD260458 | N/A |
D30 | AD300184 | AD300185 – AD300301 | N/A |
D30BLD | N/A | N/A | AD300302 – AD300348 |
D50 | D501106 | D501107 | N/A |
D55 | AD550114 | AD550115 – AD550220 | AD550221 – AD550412 |
D60 | AD600028 | AD600029 – AD600043 | N/A |
D65 | GC000020 | N/A | N/A |
D100 | AD100014 | AD100015 – AD100022 | N/A |
D100C | N/A | AD100015 – AD100022 | AD100023 – AD100039 |
DC1 | AD110841 | AD110842 – AD111713 | N/A |
DCE1 | N/A | AD110842 – AD111713 | AD111714 – AD113572 |
DC5 | FC050298 | FC050299 – FC050578 | FC050579 – FC050964 |
DC130 | FD000019 | FD000020 – FD000022 | N/A |
DV6HR | N/A | N/A | AD061343 – AD062106 |
DV52 | AD520445 | AD520446 – AD520945 | AD520946 – AD521850 |
DV52HG | N/A | AD520446 – AD520945 | AD520946 – AD521850 |
DV62 | AD620145 | AD620146 | N/A |
DV72 | AD720197 | N/A | N/A |
DV73 | AD730014 | AD730015 – AD730052 | N/A |
DV74 | N/A | N/A | AD740008 – AD740022 |
DV76 | AD760010 | N/A | N/A |
DV82 | FK000001 | N/A | N/A |
F4CE | AF040801 | AF040802 – AF041355 | AF041356 – AF042131 |
F5CE | AF050200 | AF050201 – AF050353 | AF050354 – AF050614 |
F30 | AF300151 | AF300153 | N/A |
F65CE | AF650118 | AF650119 – AF650237 | AF650238 – AF650398 |
F20 | AF200049 | AF200050 – AF200131 | N/A |
F50 | AF500012 | AF500013 – AF500015 | N/A |
FF5CE | AF150119 | AF150120 – AF150143 | N/A |
G045/HANK WILLIAMS | FG450005 | N/A | N/A |
G45/HANK WILLIAMS | FG000067 | N/A | N/A |
GV52 | FE000225 | N/A | N/A |
GV70 | FJ000059 | N/A | N/A |
JF100-12C | N/A | N/A | AJ120005 – AJ120012 |
JF4 | AJ040387 | AJ040388 – AJ040424 | N/A |
JF4E | N/A | AJ040388 – AJ040424 | N/A |
JF4-12 | AJ420064 | N/A | N/A |
JF30 | AJ300329 | AJ300330 – AJ300779 | AJ300780 – AJ301720 |
JF30-12 | AJ320240 | AJ320241 – AJ320592 | AJ320593 – AJ321101 |
JF55 | AJ550129 | AJ550130 – AJ550293 | AJ550294 – AJ550483 |
JF55-12 | AJ520062 | AJ520063 – AJ520175 | AJ520176 – AJ520253 |
JF65-12 | AJ620090 | AJ620091 – AJ620188 | AJ620188 – AJ620304 |
JF100 | AJ110121 | AJ110122 – AJ100027 | N/A |
JF100C | N/A | N/A | AJ100028 – AJ100041 |
JF200 | AJ120005 | AJ120006 – AJ100007 | N/A |
JV52 | FJ520028 | N/A | N/A |
JV72 | FJ720018 | FJ720019 – FJ720023 | N/A |
PRO4 | AL040139 | N/A | N/A |
PRO5 | AL050078 | AL050079 – AL050096 | N/A |
PROTOTYPES | FB000004 | JJ000001 – JJ000009 | N/A |
S100 | FB000132 | FB000133 – FB000194 | FB000195 – FB000378 |
S4CE | AE040103 | AE040104 – AE040343 | N/A |
SONGBIRD | FB000132 | AE040104 – AE040343 | N/A |
STARFIRE 4 | AG000014 | AG000015 – AG000023 | AG000024 – AG000219 |
X160 | AK160031 | N/A | N/A |
X170 | AK170059 | AK170060 – AK170138 | AK170139 – AK170401 |
X500 | AK500008 | AK500009 – AK000010 | N/A |
X700 | AK700028 | AK700029 – AK700069 | AK700070 – AK700118 |
X2000/NIGHTBIRD | N/A | N/A | N/A |
X3000/NIGHTINGALE | N/A | N/A | N/A |
The table 1997 shows the year, model and start and end serial number.
Guild serial numbers database 1997
MODEL | 1997 |
---|---|
ARTIST AWARD | AA000106 – AA000158 |
A25 | AF250894 – AF250896 |
A50 | AF500195 – AF500209 |
B4E | AB041045 – AB041257 |
B4EHG | AB041045 – AB041257 |
B30E | AB300287 – AB301349 |
BB BLUESBIRD | CL000153 – CL001013 |
D4 | AD048100 – AD401129 |
D4-12 | AD421508 – AD421738 |
D25 | AD048100 – AD401129 |
D25-12 | AD421508 – AD421738 |
D30BLD | AD300349 – AD300784 |
D55 | AD550413 – AD550691 |
D100C | AD100040 – AD100049 |
DCE1 | AD113573 – AD114800 |
DCE1HG | AD113573 – AD114800 |
DCE5 | FC050965 – FC051258 |
DV6HR | AD062107 – AD062419 |
DV6HG | AD062107 – AD062419 |
DV52 | AD521850 – AD522272 |
DV52HG | AD521850 – AD522272 |
F4CE | AF042131 – AF042598 |
F5CE | AF050615 – AF050660 |
F65CE | AF650398 – AF650556 |
JF30 | AJ301720 – AJ302129 |
JF30-12 | AJ321102 – AJ321291 |
JF55 | AJ550484 – AJ550613 |
JF55-12 | AJ520254 – AJ520300 |
JF65-12 | AJ620305 – AJ620369 |
JF100C | AJ100042 – AJ100046 |
JF100C-12 | AJ100042 – AJ100046 |
S100 | FB000379 – FB000770 |
S4CE | AE040541 – AE040672 |
SONGBIRD HG | AE040541 – AE040672 |
STARFIRE II | AG300001 – AG301083 |
STARFIRE III | AG300001 – AG301083 |
STARFIRE IV | AG000220 – AG000937 |
X150 | AK150001 – AK150004 |
X170 | AK170401 – AK170799 |
X700 | AK700119 – AK700213 |
Guild GAD Serials
The round label on the inside with a GAD (number) were consecutive but do not refer to the production date of the guitar.
The serial number that correlates with the production date can be found on the heel block.

Guild serial numbers Tacoma
Fender Musical Instruments Corporation (FMIC) began building Guild guitars in Tacoma, Washington in 2005. These have a serial number consisting of 2 letters and 6 digits.
Example: TK 135012
The first letter “T” indicates that the guitar was made in the production facility in Tacoma.
The second letter indicates the year of manufacture and is based on a dating system introduced by the Tacoma guitar factory in 1998 who associated the letter “B“ with that year. The following years are linked in sequence to the alphabet (I = 2005, J = 2006, K = 2007, L = 2008, M = 2009, N = 2010). In this system, the letter “K” stands for the year 2007.
The first 3 digits are derived from the “Julian” calendar, which associates each day of the year with a respective number in numerical order from 1 to 365. These three digits indicate the production month and day. In this example, the number 135 indicates that the guitar was made on the 135th day of the year (2007), which is May 15 according to the Julian calendar.
The last 3 digits of the serial number refer to the unit number built on that day. In this example, 012 indicates that this is the 12th guitar built on May 15th.
So, serial number TK 135012 is the 12th (012) guitar made in Tacoma (T) in 2007 (K) on 15 May (135).
Guild serial numbers New Hartford since December 2008
The same dating system described above also applies to Guild guitars made in New Hartford, Connecticut.
The first letter indicating the location of the production, however, this is now “N”, meaning “New Hartford” indicates.
Example: NL 348 004
Serial number NL 348 004 is the 4th (004) guitar on that day built in New Hartford, in 2008 (L) on 14 December (348).
Other Guild serial number formats
1) Serial Number PYYxxxx (7 digits) is P = Production location (3 Made by Cordoba, Valencia, Spain), YY = Year, xxxx = Production number.
2) Serial Number PYYxxxxx (8 digits) is P = Production location (1 = China, 8 = Oxnard, California), YY = Year, xxxxx = Production number.
3) Serial Number PPYYMMxx (2 letters 6 digits) is PP = Production location (GY = China), YY = Year (20YY), MM = Month, xx = Production number.
4) Serial Number PPYxxxxxx (2 letters 7 digits) is PP = Production location (KC = Korea Cort, IC = Indonesia Cort), Y = Year (199Y), xxxxxx = Production number.
5) Serial Number PPYYxxxxxx (2 letters 8 digits) is PP = Production location (KC = Korea Cort), YY = Year (20YY), xxxxxx = Production number.
6) Serial Number PPPYYxxxxx (3 letters 7 digits) PPP = Production location (KWM = Korea World Musical), KSG = Korea SPG), YY = Year (20YY), xxxxx = Production number.
7) Serial Number PMMxxxxxx (3 letters 6 digits) P = Production location (C = Corona, California), MM = Model (example: UV = F50, PM = D25 ), xxxxxx = Production number.