T567. Kinko tsuba. 5.5 x 6.2 x .35 cm on the fukurin. The nakago hitsu-ana is .6 x 2.1 cm. The plate is either patinated yamagane (native copper) or an alloy of copper and other soft metal; the fukurin is shakudo. Carving at the bottom and stippling above.. Great condition. Was $175, now $125.