China
People's Republic silver Proof 1 Ounce NYINC Medal 1989 UNC, KMX-MB53. Mintage of 4,000. A Gem commemorative Proof issue, created for the 18th New York International Numismatic Convention. Comes encapsulated and in original mint plastic. As-made and virtually flawless. Sold with original case and COA.
HID02901242017
Estimate: 200-300 USD