RARE Vintage 1988 Calgary Olympic Games Silver Coin Set OF 10 Canada Silver $20 Dollar each, 10 Coin Set,1988 Calgary Winter Olympics. Each coins comes incased in hard plastic covering along with Olympics original case. All coins are in EXCELLENT condition. Weighs approximately 34.107 grams and 40mm in diameter. The certification pamphlet is included for two coins. Please feel free to reach out with any questions!