Watch List notes:

China, The Ten Kingdoms, Kingdom of Chu, large round cash with square hole, (A.D. 907-951), "Qian Yuan zhong bao" (Qian Yuan heavy currency), four characters around, diameter 43mm, rev. plain, (41.76g), (Hartill 15.73, Sch. -, TFP 800). Very fine and extremely rare.

Noble Numismatics Sale 94, lot 3566.