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 gold-coloured coin on 13 May 1984, due to the longer service life and cost effectiveness of coins. These notes can still be redeemed at face value by the Reserve Bank of Australia and most commercial banks, but numismatics and note collectors may pay a higher price for these notes depending on age and condition. 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