Yaesu serial dating
As of 2017 The Hoshino Gakki company began in 1908 as the musical instrument sales division of the Hoshino Shoten, a bookstore chain.
Hoshino Gakki decided in 1935 to make Spanish-style acoustic guitars, at first using the "Ibanez Salvador" brand name in honor of Spanish luthier Salvador Ibáñez, and later simply "Ibanez".
Based in Nagoya, Aichi, Japan, Hoshino Gakki were one of the first Japanese musical instrument companies to gain a significant foothold in import guitar sales in the United States and Europe, as well as the first brand of guitars to mass-produce the seven-string guitar and eight-string guitar.
Ibanez manufactures effects, accessories, amps, and instruments in Japan, China, Indonesia and in the United States (at a Los Angeles-based custom shop).
The system was used from 1961 to 1969 and had many problems that resulted in duplicated batch numbers so the numbers from those years are approximate and exact dates are hard to come by.
If the instrument has original electronics some dating can be verified by pot numbers.
Once again the system was modified in 1970 to a six digit number pressed into the back of the headstock.
Since all the instruments using this serial number pattern were acoustic or semi-hollow the labels were located inside the instrument body.and Fuji Gen Gakki guitar factories to make Ibanez guitars, and after the Teisco String Instrument factory closed in 1969/1970, Hoshino Gakki used the Fuji Gen Gakki guitar factory to make Ibanez guitars.In the 1960s, Japanese guitar makers mainly copied American guitar designs, and Ibanez-branded copies of Gibson, Fender, and Rickenbacker models appear. During this period, Ibanez produced guitars under the Mann name to avoid authorities in the United States and Canada.The first digit is the year and the other numbers are production numbers.This system is fairly reliable for guitars made from 1953 to 1961.