Serial number 55662 was stamped on March 3, 1934 and cleared final inspection on Jun 13 that year.

The tuners are Grover G-97 machines with seamed butterbean metal buttons.

Style 21 features:

Back and sides: Brazilian rosewood

Top: Red spruce (Adirondack)

Purfling: Lines

Binding: Rosewood

Sound hole decoration: Herringbone

Back stripe: Herringbone

Other period features:

Scalloped X-bracing

Ebony fingerboard

Ebony belly bridge

Ebony neck reinforcement

Bar frets

1-7/8" neck width at nut

Tortoiseshell celluloid pick guard

Slotted square fingerboard inlays

Decal on front of headstock

C. F. Martin stamp on back of headstock

Style stamp