664 mm Scale, 53 mm Nut. Fine to Medium grain domed Spruce Soundboard and Brazilian Rosewood back and sides. 5 Fan Braces, of which 4 of these feed through the harmonic bar - transverse bar below the sound hole. Cut kerfing liners attach the top and back to the sides, stamps on the under side of the top, the Spanish heel and the end block identifying that the work is by Antonio Lopez Martin. French Polish. Deluxe Engraved Fustero Tuners.