Muromachi period (1333-1573), 14th century Shobuzukuri, iorimune forged in itame hada with a choji midare and gunome tempered edge on the omote side, and notare midare on the ura side, with nie, ara-nie, sunagashi and tobiyaki, and a midarekomi boshi, the o-suriage tang with kiri file marks and three holes, with a one-piece gold-foil habaki, 17 7/8in (45.4cm) long The koshira-e comprising a modern saya laquered black, the tsuka wrapped in white silk and fitted with shakudo migakiji fuchi-gashira and gilt-brass menuki formed as dragons, the Kyo-sukashi circular iron tsuba pierced with snowflakes and sedge hats