Martin Guitars OM-28E Retro Acoustic Guitar - solid Sitka spruce top, scalloped bracing, solid East Indian rosewood back & sides, selected hardwood neck with Modified Low Oval Profile w/ Performing Artist Taper, solid black ebony bridge & fretboard, 20 frets (14 clear), Gotoh nickel open-geared tuning machines, Fishman F1 Aura Plus pickup system, includes case. High-gloss finish.