China
People's Republic platinum "NYINC Expo" Panda Proof 1 Ounce Medal 1987 PR67 Ultra Cameo NGC, KMX-MB19. Mintage of 1000 pieces. Highly attractive for the grade, with a couple of tiny surface marks preventing a higher technical designation. Struck for the 16th New York International Numismatic Convention.
Estimate: 1300-1700 USD