Blade attributed to Yasutsugu; Blade and Mounting for a Short Sword (Wakizashi); Japanese; blade; early 17th century; mounting; 19th century; Japanese; Steel; wood; lacquer; leather; copper-gold alloy (shakudo); copper-silver alloy (shibuichi); copper; gold; horn; silver; L. 19 in. (48.2 cm); L. of blade 16 11/16 in. (42.4 cm); L. of cutting edge 14 5/8 in. (37.1 cm); D. of curvature 1/16 in. (0.2 cm); Swords