Watch List notes:

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.

Estimate: US$1,200-1,500