The first by Ito Tadayasu, Edo period (1615-1868), 18th/19th century Comprising a shibuichi migakiji fuchi-gashira decorated with a scholar and attendant on a bridge by a waterfall in iro-e takazogan, takabori and shishiaibori, signed Tadayasu and with a kao; a shibuichi migakiji fuchi-gashira decorated with Chinese scholars in iro-e hirazogan and katakiribori, inscribed Nagamitsu and with a kao; a shakudo ishimeji fuchi-gashira decorated with a hawk and full moon above crashing waves in takabori and gold takazogan and hirazogan; an Omori-school shakudo fuchi-gashira decorated with crashing waves in takabori, the dots of foam in gold takazogan, inscribed Omori Eishu; an Omori-school shakudo kozuka carved with crashing waves in takabori and dots of foam in gold takazogan, inscribed Omori Eishu Each with wood tomobako storage box The first with Tokubetsu Kicho (Especially Precious) certificate no. 345 issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword), dated June 3, 1974 3 7/8in (9.8cm) long, the largest