Martin has been producing high quality acoustic instruments since Old Martin guitars tend to be worth a great deal of money, and as such, it is important to be able to determine the model and serial number of your guitar in order to correctly ascertain its value. The major difficulty in this task lies in the fact that Martin has produced hundreds of different guitar models throughout its history, several of which look quite similar to an untrained eye. Look at the neck block located inside the sound hole.
An Index to Martin Instruments
A Stamp of Approval - Labels and Stamps on Martin Guitars
Since serial numbers weren't introduced until , approximate dating of the earlier guitars can be accomplished by knowing when Martin made changes to their labels or to the brand, which can be found stamped into the back of the head, the upper part of the back, and just inside the soundhole on the long strut which reinforces the back joint. Until the brand read "C. Martin New York", when it was changed to "C. New York. From before until Charles A. In the brand was finally changed to C. Nazareth, Pa.
Sigma Guitars is a guitar manufacturing brand originally released by C. Martin as a line of guitars at affordable prices to compete with the increasing number of imported guitars from Japan and elsewhere. The Sigma line was discontinued by Martin in
Martin Ukulele Models: Martin 0m, 1m, 2m, 3m, 0k, 1k, 2k, 3k, 5k Ukuleles were in highest production from to the 's, though still manufactured in quantity until Production quantities during some periods were as great as Martin guitars. Martin ukes are considered to be the best for craftsmenship and sound. The Koa wood models are more collectible than mahagony models. The fancier style 5 models are worth more than plainer styles 0 to 3.