A Yamato katana
By the Senjuin group, late Kamakura period (14th century)
Hon-zukuri, iori-mune, torii-zori, chu-gissaki and forged in a flowing itame hada mixed with masame, the tempered edge ko-midare with ko-choji and utsuri, the boshi ko-maru, o-suriage nakago with three holes and orikaeshi-mei signature Senjuin; one-piece gold-foil habaki; 26 1/2in (67.2cm) long
18th-19th-century koshirae comprising a black-lacquer saya fitted with gold and shakudo nanako-ji kozuka and kogai decorated with the accouterments of the Seven Lucky Gods in iroe taka-zogan, signed Goto Mitsutaka and with kao; the tsuka mounted with copper mokume-ji fuchi-gashira decorated with insects, ivy and spider webs in iroe taka-zogan and taka-bori and with gold and shakudo menuki carved as birds over waves; the oval shibuichi migaki-ji plate tsuba decorated with Ariwara no Narihira before Mt. Fuji in katakiri-bori and silver hira-zogan, signed Shumin
With Shoshin (genuine sword) certificate no. 57 issued by the Nihon Bijutsu Token Hozon Kyokai (The Society for the Preservation of the Japan Art Sword), dated 1957.3.10.