Before 1952, Gibson did not strictly serialize electric guitars because they mostly built acoustics and archtops. You will often find a inside the body, visible through the f-hole.
: The production year (e.g., in 90235456 , the '9' and '5' indicate 1995 ). gibson seriennummern
Gibson produces "Historic Reissues" (Custom Shop models meant to look like 1950s guitars). These often have serial numbers that mimic the 1950s style (e.g., a 4-digit number starting with 9). However, they will almost always have a "Made in USA" stamp on the back of the headstock or a "Custom Shop" decal, distinguishing them from actual vintage instruments. Before 1952, Gibson did not strictly serialize electric
The FON usually looks like a letter followed by numbers (e.g., ). gibson seriennummern