Beautiful concert acoustic from Illinois builder David Bianchin. 13-fret design, 24.9" scale. Swiss Moon Spruce top, and Koa back & sides, with upper bout sound port. 11-1/4" upper bout with 4" depth, 14-1/2" lower bout w/ 4-1/2" depth. 1-3/4" nut width. Figured Madagascar rosewood bridge, pins & fingerboard, with 12th fret wood block inlay. Bolt-on neck shows a slight gap at the body, but plays & sounds great. Includes deluxe Martin hard shell case.