Identification
How to Identify a Gibson Guitar
A practical reference for identifying a Gibson electric — serial number locations, the Made in USA stamp, headstock shape, truss rod cover and factory serial formats, with how these markers changed over the decades.
Identifying a Gibson comes down to a handful of physical markers: the serial number, the 'Made in USA' stamp, the headstock shape, and the truss rod cover. These markers changed over the decades, so the era of the guitar changes what you should look for. This guide explains the key markers and links to the models in our database.
Markings and serial formats vary by year, model and factory. Treat this as a guide, and confirm any identification with Gibson's official serial lookup or a reputable dealer before relying on it for a purchase.
Serial number location
On most Gibson electrics the serial number is stamped on the back of the headstock. On 1970s models it can be hidden under a volute (a carved bump where the neck meets the headstock). Acoustics typically carry the serial inside the body, visible through the soundhole.
The 'Made in USA' stamp
From 1970 onward, Gibson stamped 'MADE IN USA' on the back of the headstock near the serial number. Its presence indicates a 1970-or-later USA instrument; its absence does not guarantee a pre-1970 guitar, as markings varied.
Headstock shape
Gibson's headstock shape has shifted subtly across decades — the angle, the 'open-book' silhouette and the inlay style all evolved. Pre-1965 headstocks are generally considered more refined; 1970s headstocks are often wider. These are clues, not proofs.
Truss rod cover
The truss rod cover (on the headstock face) changed style across eras: two-ply vs single-ply, and engraved 'Gibson' script vs blank. Some models mark the model name on the cover or pickguard. These are secondary clues — they are easily replaced, so do not rely on them alone.
Serial number formats by era
Gibson's serial formats changed several times, so the number of digits and their meaning depend on the year:
- 1952–1960s: typically a 4- or 5-digit number with no embedded date; order books are needed to date them.
- 1970–1975: a 6-digit number where the first two digits often indicate the year (this system is inconsistent).
- 1977–present: the modern format — the first and fifth digits are the year, the second digit is the decade, and digits 3–4 are the day of the year. This is the most reliable modern format.
Because formats overlap and were reused, a serial number alone is not always conclusive.
Which model is it?
Once you have dated the guitar, match the features to a model. Our database covers the main families: Les Paul, SG, ES, Flying V, Explorer and Firebird. The pickups and neck profile can also help narrow a model — for example, a T-Top points to a 1970s instrument.
A note on fakes
Counterfeit Gibsons are common. Signs to question include misaligned headstock inlays, a serial number that does not match the claimed era, cheap hardware, and a 'Made in USA' stamp that looks uneven. When in doubt, get a professional in-hand inspection.