China
People's Republic platinum "NYINC Expo" Panda Proof 1 Ounce Medal 1987 PR68 Ultra Cameo NGC, KM-XMB19, PAN-65a. Issued for the 16th New York International Numismatic Convention. Superb Cameo Proof, with bold details and no notable flaws. Mintage of 1,000 pieces.
Estimate: 2000-2500 USD