1src: https://emuseum.cornell.edu/internal/media/dispatcher/71759/fullTsuba with three Chinese sagesEdo period, early 18th centuryEgawa Naomitsu73.005.0571863429333Engraved 'katakiri' style. Smooth ground is pickled black. Reverse: bamboo73.005.057_Disc0527_01073.005.057_Disc0527_009Egawa Naomitsu