The Martin 00015M offers a perfect blend of vintage features and modern technology to create an acoustic guitar of exceptional tone, playability and classic Martin good looks. Back, sides and top are bookmatched solid genuine mahogany with A-frame Sitka Spruce X-bracing and a traditional maple bridge-plate. The 14-fret neck”also genuine mahogany”is joined with an East Indian rosewood fingerboard and headplate. The traditional rosewood belly-bridge is fitted with a bone saddle, and the nut is fashioned from bone as well. .