Australian twenty-cent coin Australian twenty-cent coin The Australian twenty-cent coin of the Australian decimal currency system was issued with conversion to decimal currency on 14 February 1966, replacing the florin which was worth two shillings – a tenth of a pound. (The Australian pound was converted to two Australian dollars.) To date, three different obverse face designs have been used: from 1966 to 1984, the head of Queen Elizabeth II by Arnold Machin; from 1985 to 1998, the head by Raphael Maklouf; and since 1999, the head by Ian Rank-Broadley. The obverse has the inscription AUSTRALIA and the year-of-issue on the right hand
Crown (British coin) Crown (British coin) The British crown, the successor to the English crown and the Scottish dollar, came into being with the Union of the kingdoms of England and Scotland in 1707. As with the English coin, its value was five shillings. Always a heavy silver coin weighing around one ounce, during the 19th and 20th centuries the crown declined from being a real means of exchange to being a coin rarely spent and minted for commemorative purposes only. In that format it has continued to be minted, even following decimalisation of the British currency in 1971. However, as the result