For sale Canada Confederation Centennial silver & gold coin set. Great patina to silver & copper coins. 4 coins are silver minted from 800 silver. Silver Coins, 1 Gold Coin. Weight - 18.2733g - 90% Gold , or 0.5287 Troy Oz.The item "1967 Canada Confederation Centennial $20 Dollars Gold & Silver Coin set Proof" is in sale since Tuesday, May 19, 2020. This item is in the category "Coins & Paper Money\Coins\ Canada\Proof/Prooflike Sets". The seller is "rokas" and is located in Calgary, Alberta. This item can be shipped worldwide.