A fine Goto-school shakudo mitokoromono (set of kozuka, kogai, and menuki) Momoyama (1573-1615) or Edo (1615-1868) period, 17th/18th century Each of fine shakudo and decorated with coiling dragons, the kozuka and kogai finished with a fine nanako ground, the kogai signed Goto Etsujo With a wood tomobako storage box with an attestation by Sato Kanzan (1907-1978), dated summer, 1974 With Tokubetsu Kicho Tosogu (Sword Fitting Especially Worthy of Preservation) certificate no. 5555, issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword) dated November 23, 1975 9 1/2in (24.1cm) long, the largest