CANADA. Dollar, 2010. Ottawa Mint. NGC PROOF-70 Ultra Cameo.KM-975. Vancouver Olympics type. Mintage: 1,278. Commemorating the 2010 Winter Olympics held in Vancouver. This perfect sterling silver specimen features wonderful ultra cameo contrast and a highly stylized native Sun mask. A rather <strong>RARE </strong>issue.From the Mayer Collection of Canadian NGC Registry Sets.