Taylor guitar dating
FON consists a batch number of usually four digits, followed by a one letter (sometimes prefixed by a space) followed by one or two digits (ranking).1935-1937: Letter between the batch number and the order number. 0123 A5 1938-1941: Two or three letters before batch number. If there is a second character follows it is the code for the type of the instrument.Another exception to the above rules is in the autumn from 1958, where a some Les Paul Juniors and Specials had a four-digit serial number. From 1970 to 1975, the 6-digit serial numbers randomly generated.In a random sequence numbers were stamped on the back of the headstock. In 1970, the orange labels in the body of acoustic guitars were replaced by white with orange rectangular labels.The letter preceding the batch number in the FON, and indicates the year of production. Y1234 23 This were used from 1952 to 1961 on archtop models and stamped on the inside of the F-hole. An ink-stamped number from the back of the headstock. No serial numbers were used, Gibson just started therewith in 1953.The batch number, the first four digits of the FON, followed by a one or two-digit number. The first digit of the serial number is the last digit of the year.Some instruments from the fifties also had been such a stamp. The same confusing six-digit serial system of the sixties was maintained until 1975.
Factory Order Numbers (FON) with a letter from 1935 to 1941.
(G = Gibson, K = Kalamazoo, W = Recording King (Montgomery Wards).
If follows there is a third letter E, it stands for Electric.
Thence 5 digits and no space between the year (5) and the serial number.
(After 5 9999 came 510 000) Evidently the production was high in 1956 because "6 9999" is exceeded.