The product is a 1982 Germany Proof Clad 1972 Limwalldonferenz Der Vereinten 5 Mark Coin. This uncirculated coin has a copper-nickel composition and was minted in Germany. The coin's historical period is post-1949, and it is uncertified. It commemorates the 1972 Limwalldonferenz Der Vereinten (United Nations Conference on the Law of the Sea) event. This unique and collectible coin reflects a significant moment in German history.