Muromachi period (16th century) and later
The first honzukuri, iorimune, chugissaki, toriizori forged in itame hada and with a suguha tempered edge, komaru boshi, osuriage tang with three holes and kiri file marks, one piece silvered copper habaki; 26 3/8in (67cm) long; in a modern green-lacquer saya fitted with shakudo nanakoji kozuka and kogai decorated with tea utensils and a running boar in iroe takazogan, the tsuka wrapped in purple silk and fitted with Goto-school shakudo ishimeji fuchi-gashira with rain dragons and gilt-copper dragon menuki, iron Heianjo tsuba pierced with lattice work and decorated with inlaid brass wires