Total of 10 troy ounces of silver. The item "Set of 1988 Calgary Olympic $20 1 oz Silver Coins 10 Proof Canada Silver Coins" is in sale since Wednesday, April 17, 2019. This item is in the category "Coins & Paper Money\Coins\ Canada\Commemorative". The seller is "flying-monkey-collectibles" and is located in Manhattan, Kansas. This item can be shipped to United States.