An Ise tanto with mounts
Attributed to Muramasa II, Nanbokucho-Muromachi period (14th century)
Sugata (configuration): hira-zukuri, iori-mune with slight torii-zori curvature
Kitae (forging pattern): itame-hada in ji-nie
Hamon (tempering pattern): nioi-based notare mixed with ko-nie
Boshi (tip): ko-maru
Horimono (carving): futatsu-bi on both sides
Nakago (tang): tanago-bara, kengyo with two holes and indistinct file marks
Habaki (collar): one-piece copper habaki with silver foil
Nagasa (length from tip to beginning of tang): 12 1/4in (31.2cm)
Motohaba (width at start of tempered edge): 7/8in (2.1cm)
In shirasaya (wood storage scabbard) with inscription by Kanzan attributing the sword to Nidai Muramasa
Koshirae comprising a ribbed brown-lacquer saya decorated with dragons and fitted with a shakudo kurikata and an iron shuriken-style kozuka, signed Masahide saku; the tsuka wrapped in blue silk and fitted with shakudo migakiji fuchi-gashira decorated with scrolling vines and gold "button" menuki carved with dragons; shakudo migaki-ji tsuba decorated with crashing waves
With Tokubetsu kicho token (Especially precious sword) certificate no. 192934 issued by the Nihon Bijutsu Token Hozon Kyokai (The Society for the Preservation of the Japan Art Sword), dated 1970.8.30.
With kantei certificate no. 245 issued by the Nihon Token Hozon Kai (Japan Sword Preservation Society), dated 2001.9.8.