You can find Fender serial number at the top of the neck plate, on the front or back of the...
You can find Gibson serial number on the back of the headstock or inside the sound hole on acoustic guitars....
To find the Epiphone serial number, look up it on the headstock, on the label inside the top f-hole, or...
Ibanez serial number usually consists of a combination of letters and digits. You can find it on the headstock or...