China
People's Republic 3-Piece PCGS-Certified "Lake Placid Winter Olympics" Proof Piefort 30 Yuan Partial Set 1980,
1) Speed Skating - PR62 Cameo, KM-P15
2) Alpine Skiing - PR62 Cameo, KM-P16
3) Biathlon - PR62 Cameo, KM-P17
An attractive double-thickness trio, only short the Figure Skating issue from a complete set.
HID02901242017
Estimate: 2000-3000 USD