Muromachi period (1333-1573), 16th century Of shobuzukuri, iorimune configuration forged in mokume hada ad with a suguha tempered edge and a yakizumi tempered edge, the ubu tang with two holes and kiri file marks, with a one-piece copper habaki, 14 3/8in (36.5cm) long, in a wood shirasaya storage scabbard The koshira-e comprising a reddish brown saya fitted with a Goto-school shakudo nanakoji kozuka decorated with Fugen and an elephant in iro-e takazogan, the tsuka wrapped in green silk and fitted with shakudo nakakoji fuchigashira decorated with the Seven Gods of Good Fortune, and gilt menuki formed as Hotei, the shakudo migakiji plate tsuba decorated with the crests of the Shimazu family in gold takazogan With kantei certificate no. 5818, issued by the Nihon Token Hozon Kai (Japan Sword Preservation Society) (NPO), dated September 14, 2014