We often imagine Europian accessories and cutlery a ssilverware. However, Japan once was a big producer of silver. In the Edo period, a silverware craftsman called“Shirogane-shi” was the one who had advanced technology of silver crafts. Traditional Japanese silverwareas reffered as the word “Ibushi Gin” is given a fine asperity on the surface, colored with chemicalsand reduced the gloss.