Loonie is the unofficial but commonly-used name for Canada's gold-coloured, bronze-plated, one-dollar coin. It bears images of a common loon, a well-known Canadian bird, on the reverse, and of Queen Elizabeth II on the obverse.
The design for the coin was meant to be a voyageur theme, similar to the country's previous one dollar/silver dollar coin, but the reverse dies were lost in transit to the Royal Canadian Mint in Winnipeg. In order to avoid possible counterfeiting a different design was used *. The coin was released to the public on 30 June 1987, and circulation of the one-dollar banknote was intentionally reduced at the same time to forestall any reluctance by the public to accept the new coin. As a result, the introduction of the coin was successful in achieving public acceptance in a fairly smooth fashion.
The switch occurred when Brian Mulroney (rhymes with loonie) was Prime Minister; hence the coin was in its early years sometimes called Mulroney's Loonie or the Mul-loonie, but use of these terms has largely subsided.
The coin has become the symbol of its currency (newspapers will often discuss the rate at which the loonie is trading against the greenback), and as such, loonie (huard in French) is a slang term for the Canadian dollar in general.
On occasion the coin has shown other images, for instance the National War Memorial to commemorate VE day, and in 2005, a portrait of Terry Fox; it is still, however, referred to as a loonie.
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The coin is made of bronze-electroplated nickel. The total composition of the coin is 91.5% nickel and 8.5% bronze; The bronze is about 88% copper and 12% tin.
In 2005, the loonie gained an American neighbour when Minnesota's state quarter featured a loon, that state's official state bird. Like the Canadian dollar, Minnesota's loon also faces right with its head raised.
The legend is also prevalent in curling, as the Kevin Martin rink at the same Olympics had won silver medals on a sheet with silver-colored quarters underneath the surface. At the 2006 Winter Olympics, the Canadian icemakers in the curling tournament buried two loonies, one at each end of the sheet — coincidentially, the Brad Gushue rink would win the gold medal there. In the same Olympics, the icemakers at the hockey tournament announced that they would not bury a loonie under the ice — coincidentally the men's team finished out of the medals.
This legend is kept alive by the Royal Canadian Mint, which has since issued specially-designed "Lucky Loonies" for each year the summer and winter Olympics Games are held.