COINS, 錢幣 , CHINA - REPUBLIC, GENERAL ISSUES, 中國 - 民國中央發行 , Republic 民國 : Copper 10-Cash, Year 13 (1924), Kalgan mint, the four Mongol characters in the upper outer circle on obverse mean “ 中華銅幣 ”, the first and only such appearance on a Chinese copper coin, not issued (KM Y311; CCC 752). In ANACS holder graded AU50, very rare.