Watch List notes:

China Peoples Republic Proof Sets (2) 1980 Lake Placid Winter Olympic Games, One Yuan an 8-coin set in Brass Y#19, 20, 21, 22, 29, 30, 31 and 32 nFDC in the case of issue, the case a little dirty from storage, 1980 Lake Placid Winter Olympics Silver Proof Set a 4-coin set comprising 30 Yuan (3) Y#30, 35, 36 and 20 Yuan Y#34 FDC in the box of issue neither of the two sets listed in this configuration by Krause

Estimate: 150-300 GBP