Watch List notes:

China, The Tang Dynasty, Kingdom of Wu, round cash with square hole, (A.D. 618-907), later type (Schjoth dates 750-804), "Kai Yuan tong bao" four characters around, diameter 41mm, value ten, rev. plain, (22.52 grams), (cf.Hartill 14.1, Sch. 365, TFP 757). Nearly extremely fine and very rare.

Ex Noble Numismatics Sale 94, lot 3561.