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
New Zealand ten-cent coin former pre-decimal pound currency, pegged to the British pound, was changed to a decimal dollar at a rate of two dollars to a pound. Therefore, 10 cents was worth a twentieth of a pound. The 10-cent coin replaced the shilling coin. The coin was made of cupronickel, 23.62 mm in diameter, and weighed 5.66 grams. It included the word "shilling" for the years 1967, 1968 and 1969; this was dropped in 1970. On 31 July 2006, the new 10-cent coin was released alongside the new 20-cent and 50-cent coins as part of the Reserve Bank's "Change for the better" silver