Just in from one of the best luthiers in the world, a 1912 0-21 string with light gauge steel. Herringbone, diamond inlays, Adirondack top, Brazilian rosewood, 12 frets to the body, C.F. Martin logo impressed into the back of the slotted head stock. Hand scalloped x bracing. Ebony board. An all original power house and a great investment. 21s represent some of the best value in the guitar world. No issues.