Sadatomo (active mid-19th century) A set of two tsuba for a daisho set of long and short sword Edo period (1615-1868), mid-19th century Each of polished shakudo, chiseled in high relief and inlaid in gold and copper with seashells and seaweed, each signed Sadatomo with a kao With a wood storage box and a Hozon Tosogu (Sword Fitting Worthy of Preservation) certificate no. 4001409 dated November 6 2012, issued by the Nihon Bijutsu Token Hozon Kyokai (Society for the Preservation of the Japanese Art Sword) The larger tsuba 3 1/8in (8cm) high