A Nio tachi Muromachi period (1333-1573), 14th century Sugata (configuration): honzukuri, iorimune, koshizori, ko-gissaki Kitae (forging pattern): ko-itame mixed with mokume Hamon (tempering pattern): nioi-deki, ko-gunome midare with faint utsuri Boshi (tip): midare komi Nakago (tang): o-suriage with indistinct file marks, four holes and signed Kiyotsuna Habaki (collar): one-piece, gold-foil Nagasa (length from tip to beginning of tang): 25 1/2in (64.7cm) Motohaba (width at start of tempered edge): 1in (2.5cm) Sakihaba (width before tip): 5/8in (1.6cm) In a shirasaya (wood storage scabbard) With a gold nashiji lacquer saya mounted with shakudo and gold tachi hardware With Hozon Token (Sword Worthy of Preservation) certificate no. 352290 issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword), dated February 2, 1999