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
Cook Islands dollar featuring an almost endless array of themes as the government has a contract in which a coin design can be commissioned and minted with the name "Cook Islands" and dollar units for a fee, making coinage a resource for extra revenue. Due to exchange schemes involving large stocks of non-circulating commemorative coins, mintages are regulated and not recognized or accepted as legal tender within the Cook Islands. On 20 July 1987, 3, 10, and 20 dollar notes were introduced by the government, followed by 50 dollar notes as part of a new series of notes in 1992. The notes all