Serial number 52200 was stamped on November 9, 1932 and cleared final inspection on May 8, 1933.
A total of fifty 00-21 guitars were "stamped" in 1932.
Style 21 features:
Back and sides: Brazilian rosewood
Top: Red spruce (Adirondack)
Binding: Brazilian rosewood
Herringbone sound hole ring
Other period features:
Ebony belly bridge
Ebony neck reinforcement
1-3/4" neck width at nut
Tortoiseshell celluloid pick guard
Slotted square pearl fingerboard inlays
C. F. Martin stamp on back of headstock
Photos courtesy of Steve Swan Guitars