2006 RCM $20 Pengrowth Saddledome Pure Silver Coin

Royal Canadian Mint pure silver $20 coin, part of the Canadian Architectural Series, issued in 2006. Features a proof finish with a photographic hologram of the Pengrowth Saddledome on the reverse and Queen Elizabeth II on the obverse. 38 mm diameter, 31.1 g, 0.9999 fine silver (1 troy ounce).