92.5% silver, 7.5% copper. Comes in a luxurious Cas and Box. The item "Canada 2012 Queen Elizabeth II 60th Jubilee 3 Coin $20 Pure Silver Proof Set" is in sale since Tuesday, July 17, 2018. This item is in the category "Monnaie\Pièces - Canada\Commémoratif".The seller is "gcaron1994" and is located in Québec, Quebec. This item can be shipped worldwide.