Yaesu serial dating
The transfer contained an eight digit serial number as well as "MADE IN USA". There also were some bolt on models with a date ink stamped on the heel.
Gibson introduced the current system of serialization in 1977 and continues with it today.
A new system was put in place in 1961 which was set up to include all the Gibson instrument lines.
This new system had the numbers pressed into the wood.
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.
Plant designations are as follows: 001-499 = Kalamazoo 500-999 = Nashville (300-999 from 1990-present) 001-299 = Bozeman, Montana (acoustics only starting 1989) * Kalamazoo numbers were discontinued in 1984.Hoshino Gakki introduced Ibanez models that were definitely not copies of the Gibson or Fender designs, such as the Iceman and the Roadstar series.The company has produced its own guitar designs ever since.Once again the system was modified in 1970 to a six digit number pressed into the back of the headstock.Unfortunately, the numbers were in no particular order. 1970 also saw the end of the orange labels on the inside of hollowbodies and acoustics.