Commemorative Alex Colville Designs. All coins are pure silver proof. 50-cent Coin-11.75grams, 29.72mm. 25-cent Coin-6grams, 23.88mm. 10-cent Coin-2.45grams, 18.05mm. 5-cent Coin-5.5grams, 21.2mm. 1-cent Gold-plated Coin-2.94grams, 19.1mm. Part of the Canada 150 Collection. Comes in Leather Book-Style Packaging. Original condition encapsulated with certificate authenticity & case/box.