If your guitar was built prior to 1984, or has lost its serial number sticker, the only other way to date your guitar is by looking for a date ink-stamped on the side of the original box switch. Being a sticker, many are ripped off or wear off over the years. These serial numbers are easily recognized as a white sticker with a black border, usually found on the back of the headstock or the heel of the neck. It is commonly found on Mastercaster Series models, among others. The significance of this format is unknown. Many guitars made around 1985 have a serial number with the format: In 1988, occasionally the format was YYMMPPPPP because of high production volume.Įxample: 880510504 = 10,504th guitar made in May of 1988 Samick first started using serial numbers on Hondos and other contract brands in 1984 (their home brand models did not use serials until ~1987), using the following format:Įxample: 8030768 = 768th guitar made in March of 1988 Earliest known serial number, June 1984 (production number faded away).