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
Hong Kong one-mil coin the Chinese characters was altered to Hong Kong One-thousand (香港一千), indicating the value of a thousandth of a dollar. 1863: 19,000,000 1864: Unknown 1865: 40,000,000 (Two variations exist - one with a hyphen between HONG and KONG on the obverse, one without hyphen between the two words) 1866: Unknown (Regarded as one of the rarest coin in Hong Kong coinage. One of the samples is stored in the collection of the Melbourne Museum.) 1866: 20,000,000 Hong Kong one-mil coin The one mil coin was the smallest denomination of the Hong Kong dollar from 1863 to 1866, after this date it