Dating guitars by serial number
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. Example: hm02316 = the 316th unit made on June 2 of 1961, 1971, 1981, 1991, or 2001. If you still can’t figure it out, please see Yamaha contact info at the bottom of this page. Tenryu/Wada Factory, Made in Japan, 1969-1984: ######. “Made In USA” was added to the serial number stamp and the numbers were date coded in the same way that they had been between ’65 and ’67.These serial numbers were also either 5 or 6 digit numbers, depending on the month of production.
In these eight-digit numbers, the first two digits signify the number of years since Takamine’s establishment in 1962.
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: #####.
The following two digits denote the month, and the remaining four digits denote the instrument’s sequential number of manufacture among all the instruments made during the month indicated.
An Ibanez serial number can tell you two things, year of manufacture and factory [or country] of manufacture.
Because allot of it can be confusing I'll spell out as many model/serial types as I can remember tonight in a fully inconcise and dribble filled rant.