The first two digits designate the year of manufacture, followed by two digits denoting the month.The remaining four digits denote the instrument’s sequential number of manufacture among all the instruments made during the month indicated.View Pro Series Guitars Japanese-made Takamine models distributed in Japan have their own serial-numbering scheme that can be used to reliably date them.In these eight-digit numbers, the first two digits signify the number of years since Takamine’s establishment in 1962.The last three numbers represent order of production on the day the guitar was made. ” To you folks, we offer the following: Several other serial number configurations used by Yamaha over the years.
Specific Model Info: Gibson Vintage Acoustic Archtop Model Information:.
For example, serial number 07100091 indicates a guitar built in 2007 (07), in October of that year (10), and that it was the 91st guitar made that month (0091).
Similarly, serial number 09050112 indicates the 112th guitar made during May 2009.
Custom Shop, Made in Japan, 1966-1985: 001-1042 in sequence Custom Shop, Made in Japan, 1986-1990: Letter-####, like so: J7012.
The letter at the beginning represents the month, so J would be March (see chart above). Custom Shop, Made in Japan, 1991-1996: Letter-letter-###-letter, like so: HP213J. 111 is the unit number; and the final letter is an internal code. During 1999, they starting the count each month at 200 rather than 500. Tenryu/Wada Factory, Made in Japan, 1946-1968: #####.