Subject: Canada – Commemorative Proof Dollars, Elizabeth II A trio of Canadian proof silver dollars issued to commemorate three pivotal national milestones from the early 20th century. Each coin is struck in proof quality and bears the portrait of Elizabeth II on the obverse. - Canada 1 Dollar – 1910–2010 100th Anniversary of the Royal Canadian Navy Composition: Silver (.925) Weight: 25.175 g Diameter: 36.07 mm Quality: Proof - Canada 1 Dollar – 1913–2013 100th Anniversary of the Canadian Arctic Expedition Composition: Silver (.9999) Weight: 23.17 g Diameter: 36.07 mm Quality: Proof - Canada 1 Dollar – 1914–2014 100th Anniversary of the Declaration of the First World War Composition: Silver (.9999) Weight: 23.17 g Diameter: 36.07 mm Quality: Proof