Korea, Joseon Dynasty. Sang Pyong Tong Bo; 2 Mun. Military Training Command. 1742-1752. (6.52g; 30.4mm). O./ 常 平 寶 通 [Sand p'yong tong bo; Department of Korean Yi Dynasty, currency unit]. R./ 訓 辰 [(Hun): Hullyondogam Military training Command, (Chen): character thirteen of the Thousand Character Classic].

Korea, Joseon Dynasty. Sang Pyong Tong Bo; 2 Mun. Military Training Command. 1742-1752. (6.52g; 30.4mm). O./ 常 平 寶 通 [Sand p'yong tong bo; Department of Korean Yi Dynasty, currency unit]. R./ 訓 辰 [(Hun): Hullyondogam Military training Command, (Chen): character thirteen of the Thousand Character Classic].