Common, scarce and rare Canada currency (paper money; bank notes [also, banknotes]) at Mintmark.com.
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"The Canadian dollar (sign: $; code: CAD) is the currency of Canada. It is normally abbreviated with the dollar sign $, or C$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents. As of 2007, the Canadian dollar was the 7th most traded currency in the world . . . Canadian English, like American English, uses the slang term buck for a dollar. (This term is Canadian in origin; it derives from a coin struck by the Hudson's Bay Company during the 17th century with a value equal to the pelt of a male beaver—a buck . . ." — Canadian dollar at Wikipedia