Korea, Joseon Dynasty. Sang Pyong Tong Bo; 2 Mun. Charity Office in Seoul. 1679-1695 (about 7g; about 30mm). O./ 常 平 寶 通 [Sang p'yong tong bo; Department of Korean Yi Dynasty, currency unit]. R./ 賑 二 [(Shin):Charity office in Seoul, Chinhyulchong, (I): Series 2.] Mandel#17.11 $16 each