Weight: 31.1035gram 99.9% Silver. Sell world coins and banknotes to world since 1989. Shopping and hope you will satisfied with our service. The item "China 1992 Year of UNEP 10 Yuan 1oz Silver Coin, Proof" is in sale since Monday, July 23, 2018. This item is in the category "Coins & Paper Money\Coins\ World\Asia\Other Asian Coins".The seller is "wucoinbanknote" and is located in Shanghai. This item can be shipped worldwide.