Russia
USSR silver Proof "Defense of Nature" 5 Ounces 1987 PR70 Ultra Cameo NGC, Leningrad mint, KM-XMB1. Sold with COA.
https://coins.ha.com/itm/russia/russia-ussr-silver-proof-defense-of-nature-5-ounces-1987-pr70-ultra-cameo-ngc-/a/3084-31219.s?type=CoinArchives3084
HID02906262019
© 2020 Heritage Auctions | All Rights Reserved
Estimate: 100-200 USD