China
People's Republic 8-Piece Uncertified brass "Summer and Winter Olympics" Yuan Proof Set 1980,
1) "Ancient Archery" Yuan, KM29
2) "Ancient Soccer" Yuan, KM32
3) "Ancient Wrestling" Yuan, KM30
4) "Ancient Equestrian" Yuan, KM31
5) "Figure Skating" Yuan, KM19
6) "Alpine Skiing" Yuan, KM21
7) "Biathlon" Yuan, KM20
8) "Speed Skating" Yuan, KM22
Each coin comes from a limited mintage of just 29,000 pieces. Includes the original presentation folder and COA, which erroneously describes the set as copper.
HID02901242017
Estimate: 300-500 USD