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
Third guinea (British coin) Third guinea (British coin) A seven shilling piece was introduced in Great Britain by a proclamation of 29 November 1797. It has been called a third guinea, a guinea being worth 21 shillings. The gold coin was minted only in the reign of George III. When it was introduced in 1797, during the French Revolutionary wars, the financial situation at the Bank of England was precarious: gold was in short supply and banknotes were given legal tender status in any amount. In order to pay the Bank's dividends it was decided to produce what at the time was known as