By Bairyuken Kiyotatsu, Nishijin, Kyoto, Edo period (1615-1868), late 18th/early 19th century Iron, of mokkogata (four-lobed) outline with eight piercings in addition to the two hitsu-ana and the nakago-ana, decorated in nunome-zogan gold overlay with a variety of formal ornament including key-fret, kikko, asanoha, and seigaiha waves, signed Bairyuken Kiyotatsu saku (Made by Bairyuken Kiyotatsu); with a wood storage box. 6.9cm (2¾in). (2).