CANADA. Dollar, 2007. Ottawa Mint. NGC PROOF-68 Ultra Cameo.KM-655a. Gold-plated Baby Rattle type. Mintage: 1,911. A rather <strong>RARE </strong>issue, this piece was only offered in a special proof set and features a gold-plated baby rattle. Extremely brilliant with an exceptional cameo nature.<p>From the Mayer Collection of Canadian NGC Registry Sets.