Bi-metallic coin dated 2006 (minted at Noida). Since 1996, Canada has also produced bi-metallic $2 coins (nicknamed "toonies"). Great Britain has issued a bi-metallic 2-pound coin since 1997; and Singapore has issued a bi-metallic 1-dollar coin since 2013. The first ever tri-metallic circulating coins were 20-francs coins introduced in France and Monaco in 1992. These were similar to the corresponding bi-metallic 10-francs coins, but had two rings instead of one. As well as circulating coins, where they are generally restricted to high-denomination coins, bi-metallic coins are often used in commemorative issues, often made of precious metals. For example, the only bi-metallic coin
Voyageur dollar circulating dollar coin. To encourage circulation, the size was to be reduced, the colour was to be changed, and the one-dollar note eliminated from circulation. The Voyageur design was to be used. However, a set of dies depicting the design was lost in transit. To eliminate the risk of counterfeiting, an alternate design, featuring a loon, was used. This became known as the loonie. In 2003, in special proof sets honouring the fiftieth anniversary of the coronation of Queen Elizabeth II, the Voyageur design was struck again in sterling silver in a limited edition of 30,000. In 2017, the Royal