Martin 000-21 1902 - 1945

Martin Style 21 guitars use Rosewood for their back and sides similar to Style 28. The 000-21 was an orchestra sized model in the 21 lineup, that was reintroduced with a 14 fret above the body design starting in 1934. The model was discontinued in 1955 though a few custom-built examples have been made since. 

Years of Production: 1902 - 1954, 1965, 1979

Unique to this Era: Change to Rosewood fingerboard from Ebony. 

Wood Composition: Rosewood back and sides, Spruce top, Mahogany neck, Rosewood fingerboard

Design Elements: Tortoiseshell pickguard, unbound fingerboard, 14-frets (clear of body)