BIZEN NORIMITSU VII, (ACTIVE 1504-1520) A Bizen tanto in mounts with Ishiguro-school fittings Muromachi period (1333-1573), circa 1510 Of hirazukuri, iorimune configuration with a chu-gissaki point and slightly koshizori curvature, forged in tightly packed itame hada with a suguha tempered edge mixed with gunome and with nie and ashi, ending in a midare komi boshi, oth sides carved with bo-hi, the o-suriage tang with kiri file marks, one hole and signed on the omote side Bishu Osafune no ju Norimitsu saku and on the ura side Izumi no kami Kanesada [] kore, 12 1/2in (31.7cm) long, with a one-piece gold-foil habaki The 19th-century koshira-e comprising red and black-lacquer mottled saya fitted with shakudo ishime-ji kojiri with a mouse eating chestnuts in iro-e takazogan, signed Ichiryusai Masamitsu tsukuru, the shakudo nakanko-ji kozuka decorated with two prancing shishi lions, signed Sekijoken Mitsuharu saku, the tsuka wrapped in white silk and fitted with shakudo and gilt fuchi-gashira with cranes and pines, signed Hidemitsu and with a kao, and gold and shakudo menuki of pairs of shishi lions, the tsuba with a raised rim with peonies in blossom The blade with kantei certificate no. 01800058 issued by the Nihon Token Hozon Kai (Society for the Preservation of the Japanese Sword), dated April 26, 2018 The koshira-e with kantei certificate no. 01800059 issued by the Nihon Token Hozon Kai (Society for the Preservation of the Japanese Sword), dated April 26, 2018