PURE SILVER & GOLD COINS GST / HST EXEMPT. Coins are guaranteed to be authentic unless clearly listed in the item description. We will guarantee all our grades to be 100% accurate. If your not happy with our opinion please return the coin within 7 days. Lots must be won within 7 days of each other if you want to use our combining feature. AB, MB, NT, NU, BC, QC, SK, YT. London Coin Centre Inc. The item “Canada 2018 $50 6 Oz Pure Silver Gold Plated Antique Carousel Coin” is in sale since Saturday, July 7, 2018. This item is in the category “Coins & Paper Money\Coins\ Canada\Commemorative”. The seller is “londoncoincentreinc” and is located in London, ON. This item can be shipped to Canada, United States.