Only one batch of OM-28 guitars was made in 1933 and here is example. It is the 6th last OM-28 made.
Serial number 54566 was stamped on October 18, 1933, was out of the finish shop by January 26, 1934 and cleared final inspection on March 21, 1934. (The previous batch was stamped on October 5, 1932 and cleared final inspection on April 11, 1933 so a full year separates the two batches.)
Style 28 features:
Back and sides: Brazilian rosewood
Top: Red spruce (Adirondack)
Purfling: Herringbone
Binding: Ivoroid
Back Stripe: Zig-zag purfling
Other period features:
Scalloped advanced X-bracing
Ebony fingerboard
Ebony belly bridge
Ebony bar neck reinforcement
1-3/4" neck width at nut
Bar frets
25.4” scale length
Tortoiseshell celluloid pick guard
Slotted diamond & square fingerboard inlays
Decal on front of headstock
No C. F. Martin stamp on back of headstock
Style stamp





