Dating guitars by serial number
Some models will never be found in the catalogs, that's just the way it is.
On typical Ibanez serial numbers the first 2 digits will indicate year, or the first digit will indicate the last digit of the year, but there are also some that indicate no year at all.
Custom Shop, Made in Japan, 1997-2003: Letter-letter-###, like so: NK333.
Toward the end of 1967, Baldwin took over the Gretsch Company.
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.
The remaining four digits denote the instrument’s sequential number of manufacture among all the instruments made during the month indicated.
Yamaha first began making musical instruments in Japan in 1887.
The company began as a manufacturer of reed organs but eventually became the world's largest manufacturer of musical instruments. These guitars originally were produced solely in Japan, but over the following 70 years, Yamaha guitars have been made in Taiwan, Korea and Indonesia.
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.