1src: https://emuseum.cornell.edu/internal/media/dispatcher/71805/fullKozuka with design of five birdsEdo period, late 18th or early 19th centuryHarutaka73.005.1371860909421Five "chidori" birds in high relief, four in shakudo and one in copper and gold. Waves engraved katakiri. Spume droplets and eyes in gold zogan. Birds legs in silver zogan. Reverse: plain with signature.73.005.137_D0610_018Harutaka