China
People's Republic Three-Piece Proof Piefort "Lake Placid Winter Olympics" 30 Yuan Lot 1980, 1) Speed Skating - PR67 Cameo NGC, KM-P152) Alpine Skiing - PR69 Cameo NGC, KM-P163) Biathlon - PR66 Ultra Cameo NGC, KM-P17A highly appealing group, all bright with flashy surfaces.
Estimate: 3000-4000 USD