Responding to the request from the Tsushima Domain, the Shogunate ordered Ginza (an organization in charge of casting and appraising of silver coins during the Edo period) to mint silver coins which had the same grade as that of Keichogin, exclusively for the ginseng trade, in 1710.
対馬藩の申し出により宝永7年（1710年）9月27日、幕府は銀座(歴史)に対し人参取引専用に慶長銀と同品位の丁銀を鋳造することを命じた。