China
People's Republic 3-Piece PCGS-Certified "Lake Placid Winter Olympics" Proof Piefort 30 Yuan Partial Set 1980,
1) Speed Skating - PR62 Deep Cameo, KM-P15
2) Alpine Skiing - PR62 Deep Cameo, KM-P16
3) Biathlon - PR62 Deep Cameo, KM-P17
HID02901242017
Estimate: 2000-3000 USD