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
Twopence (British pre-decimal coin) Parys Mining Company on Anglesey issued huge numbers of tokens (although their acceptability was strictly limited). To alleviate this coin shortage, in 1797, the government authorised Matthew Boulton to strike copper pennies and twopences at his Soho Mint, in Birmingham. It was believed that the face value of a coin should correspond to the value of the material it was made from, so each coin was made from two pence worth of copper (2 ounces). This requirement means that the coins are significantly larger than the silver pennies minted previously. The large size of the coins, combined with the thick