Korea, Joseon Dynasty. Sang Pyong Tong Bo; 2 Mun. Charity Office in Seoul. 1695-1742  (6.73g; 31.6mm). O./ 常 平 寶 通 [Sang p'yong tong bo; Department of Korean Yi Dynasty, currency unit]. R./ 賑 二 o  [(Shin):Charity office in Seoul, Chinhyulchong, (I): Series 2, Right Circle] Mandel#17.13 $20