A Soshu tanto in mounts Muromachi period (1333-1573), 16th century Hirazukuri, iorimune forged in running itame hada with a choji midare tempered edge and ko-maru boshi and hitatsura, the omote side carved with a dragon on a Buddhist ken, the ura side with bonji, the ubu tang with one hole, kiri file marks and signed Hiromasa, two-piece copper and gilt habaki, 8 3/8in (21.3cm) long, in a wood shirasaya storage scabbard The aikuchi goshirae lacquered in black with an ishimeji ground and fitted with a gold and shakudo nanakoji kozuka decorated with a tachi and armor in gold takazogan and shakudo button-style menuki decorated with paulownia in gold takazogan With Hozon Token (Sword Worthy of Preservation) certificate no. 351684 issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword), dated December 10, 1998