Attributed to Yasumitsu Muromachi period (1333-1573), circa 1400 Sugata (configuration): honzukuri, iorimune, toriizori, chu-gissaki Kitae (forging pattern): itame mixed with mikume Hamon (tempering pattern): choji midare mixed with gunome midare, with nie, ashi, yo, utsuri and tobiyaki Boshi (tip): midare komi Horimono (carving): bohi on both sides Nakago (tang): o-suriage with later file marks and three holes Habaki (collar): one-piece gilt-copper Nagasa (length from tip to beginning of tang): 26in (66cm) Motohaba (width at start of tempered edge): 1 3/8in (3.5cm) Sakihaba (width before tip): 2.2cm In a shirasaya (wood storage scabbard)