Ranking numbers for Bozeman start each day at 001 and the electrics may start as low as the 300s.Įxamples: 70108276 means the instrument was produced on Jan. Since 1989, all Gibson acoustics are built in Bozeman, MT and all Gibson electrics are built in Nashville or Memphis. Ranking numbers 500-999 continued to indicate Nashville production through 1989. Prior to 1984 when the Kalamazoo, MI factory was closed, the numbers 001-499 indicated Kalamazoo production. RRR is the factory ranking/plant designation number. The serial number will be an 8 digit number impressed into the back of the headstock with “MADE IN USA” below. – In 1977, Gibson introduced the serialization method that we primarily use to this day at Gibson USA, Gibson Acoustic, and the Gibson Custom facility in Memphis, TN. This should be an 8 digit number that can be dated by the 1st and 2nd digits as follows: – From 1975-1977 the number is typically found on a decal on the back of the headstock. Serial number information republished from : Gibson USA, Gibson Acoustic, Gibson Memphis

For instruments older than 1975, you’ll need to consult a Gruhn guide or one of the Blue Book PDFs available through Gibson’s site. This guide, republished courtesy of, provides information from 1975-present, covering thousands of Gibson instruments. This serial number guide will help you to figure it all out. Wondering how old your Gibson or Epiphone guitar is? Maybe you have a Gibson banjo, dobro, or a Goldtone amplifier you’re not sure about.

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