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
Coins of the Canadian dollar decided that the new Sacagawea Dollar coin would have the same diameter and colouring as the Canadian $1 coin, the "loonie", although this proved to be a non-issue. The most significant recent developments in Canadian coinage were the introduction of $1 and $2 coins and the withdrawal of the one cent piece. The $1 coin (the "loonie") was released in 1987. The $1 banknote would remain in issue and in circulation alongside the one dollar coin for the next two years, until it was withdrawn in 1989. The coin was to be the voyageur-design silver (then nickel) dollar coins that