1931 C.F. Martin & Co. OM-28
Peak production of the original OM-28 — the most available year of the original run, though still extremely rare. Scalloped bracing, herringbone trim, Brazilian rosewood. The ideal fingerstyle acoustic.
Current Market Value
* Prices are estimates based on recent market data. Actual value depends on originality, condition, and provenance. Pricing methodology
Specifications
| Body Wood | Spruce (top), Brazilian Rosewood (back and sides — herringbone trim, scalloped bracing) |
| Neck Wood | Mahogany |
| Fingerboard | Ebony |
| Scale Length | 25.400" |
| Frets | 20 |
| Pickup Config | None (acoustic) |
| Bridge | Ebony belly bridge |
| Tuners | Grover Sta-Tite |
| Finish Options | Natural |
| Est. Production | 78 |
Pickups & Electronics
Pure acoustic fingerpicking guitar.
What Changed in 1931
Peak production year for the original OM-28 run. Scalloped bracing, herringbone purfling, Brazilian rosewood, Adirondack spruce. The design was popular but Martin would discontinue it in 1933 in favor of the 000 designation.
Collector's Notes
1931 is the most available year of the original OM-28 run but still very rare in absolute terms. Full pre-war specifications throughout. These guitars set the template for the modern fingerstyle acoustic.