Watch List notes:

CHINA, Zhōnghuá Sūwéi'āi Gònghéguó (Soviet Republic of China). Sìchuān–Shǎnxī Soviet. 1931-1937. CU 500 Cash (32mm, 13.99 g, 2h). Dated 1934. Hammer and sickle on star within grain ears / Large 500. Duan 0056; KM (Y) 512.1. Brown surfaces, usual weak strike. VF.

From the Todd Hansen Collection. Ex Hong Kong Auction 27 (3 September 1998), lot 334.