From 1975-1977 the number is typically found on a decal on the back of the headstock, this should be an 8 digit number that can be dated by the 1st and 2nd digits as follows: 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.

In the 1970s, Gibson standardized the serial number system that is still in use today.

Jump to year: 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1) Source: Wheeler 1982, p29; quoted by later sources (Fisch, Gruhn, Carter), however no further details about the announcement documented.

We have not located any Masterbilt instruments related adverts in any major music industry publication of 1931; the earliest documented advert (for De Luxe) found in "Metronome", issue February 1932 (info: Rod Mc Donald). later than the 1932 catalog (reusing some of its image printing blocks): Note that the Triumph model is described as "Grand auditorium size" (16 ") while the 1931–32 Triumph was "Auditorium size" (15 "), and the Royal model is listed with an increased price of .

Hi, I need help dating an Epihpone 12-string acoustic guitar.

The label reads as follows:style: ________Epiphone: 6834ENo: 09632Epiphone Inc.