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
Australian one-dollar note Australian one-dollar note The Australian one-dollar note (or $1 bill) was introduced in 1966 due to decimalisation, to replace the 10-shilling note. The note was issued from its introduction in 1966 until its replacement by the one-dollar coin in 1984. Approximately 1.7 billion one-dollar notes were printed. During the note's issue, between its introduction and 1974, the note bore "Commonwealth of Australia" as the identification of country. At least 680,000,000 notes were printed in this time period. After 1974 and until the dollar coin was introduced in 1984, the note bore "Australia" as its identification of country. Around 1,020,000,000 such