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
One leu (Romanian coin) One leu (Romanian coin) The one leu coin was a coin of the Romanian leu. Introduced in 1870, it last circulated between 1992 and de facto 1996, when it was the lowest-denomination coin in the country. It was considered as circulating coin for accounting reasons and was still minted in proof sets until the 2005 denomination of the currency. In addition to Romania, the coin was minted in Belgium, Austria, France and Hungary. Although the first Romanian coins were minted in the United Kingdom in 1867, a one leu coin was not introduced until 1870. The first one leu coin