This PDF document contains the most accurate information we have for discerning the manufacture date of Guild guitars by serial number.
Unfortunately, some documentation has been lost or destroyed over the years, resulting in some holes in the historical record in addition to a small number of anomalies, inconsistencies and outright dating errors. That said, the information compiled and presented here is the most comprehensive data set we have for dating Guild guitars. Please refer to the notes preceding each chart on how to best interpret the data.
Two other highly reliable resources for dating Guild instruments are The Guild Guitar Book and Gruhn’s Guide to Vintage Guitars, both of which are excellent references that often prove helpful with questions regarding dating, specifications and historical context of many Guild instruments.
Unfortunately, once again, records of Guild serial numbers before 1960 are at best sketchy, preventing us from being able to assure dating accuracy before that year. Nonetheless, the charts below contain the best information we have on the approximate last serial numbers produced each year before 1960. There are no corresponding model names or numbers available.