By Somin, 19th centuryThe horn top inlaid in wood and enamel with a shishi medallion and whorls, the dark wood case carved in relief with whorls and inlaid with formal motifs in gold and cloisonné enamel, above a band of fans in shakudo and gilt-metal, engraved with zodiac animals, inscribed Jushi (10 of the zodiac), variously signed Somin saku with inscription and Koryusai Somin kore wo cho. 21.9cm (8 5/8in).