Hamer serial number dating
The first Numberis the year the next 5 numbers are the production number of the piece forthe year.
EXAMPLE F700001 - This guitar was made in 1987 and is the first one made that year. 1976 to 1981 #0001 to #0680 - A Total of 680 guitars all Custom Shop guitars or custom made for someone special etc etc.
These instruments are the only ones that correspond to the standard post-1977 Gibson serialization.
Like Gibson numbers, there are 8 digits in the completenumber, and follows the code of YDDDYNNN. DDD indicates the day of the year (so DDD can't be above 365), and the NNN indicates the instrument's production ranking for that day (NNN = 021 = 21st guitar built).
EXAMPLE C760276 this is March 1976 the 276pc made that month Post 1987 models the letter is now the Factory designation.During the period from 1975-1977 Gibson used a transfer that had eight digit numbers, the first two indicate the year, 99=1975, 00=1976 and 06=1977, the following six digits are in the 100000 to 200000.MADE IN USA were also included on the transfer and some models had LIMITED EDITION also applied.The numbers 001-499 show Kalamazoo production, 500-999show Nashville production. During the early 1980s production moved to Korea, and again the serial numbers are not an exact science as a dating mechanism.In 1993, a structure was developed where the number (or pair of numbers) following the initialletter indicates the year of production (i.e.