Russia - USSR Silver Medal "Defence of Nature - for Peace and Cooperation with the United States" 1987 ЛМД
X# MB1, N# 115125; Silver (.999) 5Oz, Proof; Obv: Soviet and American flags above clasped hands. Sprays below; Rev: Polar bears; In the original box; Leningrad Mint; Mintage: 10000 pcs.