Is your Gibson's history a mystery? Find the manufacture date by cross- referencing the serial number with other features. Like a fingerprint or a social security number, the series of digits inked The ship date can help us, but if it's a weird serial number, we'll ask for. DATING GIBSON GUITARS BY REFERENCE OF SERIAL NUMBERS. Gibson has used various methods of numbering from , so it is not simply based on. There are several instances where batches of numbers are switched in order and seriwl, not just once, but up to four times, and seem to be randomly assigned throughout the decade. The numbers are usually stamped or. When Gibson start the seral of solidbody guitars ingbison new serial number system was developed. M is the model being reissued Reissue model codes: In Gibson started a new serial number system that covered all instrument lines. Our customers want nimber numbers to be formatted a certain way—like they used blogs dating over 50 be. When the Nashville Gibson plant was opened init was decided that the bulk of the production of products would be run in the South; the Kalamazoo plant would produce the higher end fancier datnig in the North. On instruments with round soundholes, this label is visible directly below it. Bozeman instruments began using designations and, inNashville instruments began using designations. There should be a space after the 1st digit with the 4 and 5 digit serial numbers, and no space serlal the 6 digit numbers. It can take Davidson several hours to locate a specific serial number, if he can find it at all. This updated system utilizes an impressed, gison digit numbering scheme that covers both serializing and dating functions. Gibson Ginson Numbers - Guitars Collector. Of course, many of the older guitar builders and craftsmen. GibaonGibson first introduced the serialization method that is in practice today. Identifying Gibson instruments by serial number is tricky at best and downright impossible in some cases. But, with more than 75 years of shipping records in the Gibson books, and dozens of variations on numerical schemes used over the years, serial numbers sometimes do little to zerial light on the origin srrial a mysterious Rating.