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
Loonie couple of members from the ice crew in his hometown of Edmonton to assist. One of them, Trent Evans, secretly placed a loonie at centre ice. He originally placed a dime, but added the loonie after the smaller coin quickly vanished as the ice surface was built up. He placed the coins after realizing there was no target at centre ice for referees to aim for when dropping the puck for a faceoff. A thin yellow dot was painted on the ice surface over the coins, though the loonie was faintly visible to those who knew to look for it.