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) (some four hundred years after it had ceased to mean anything). There were two obverses used, with different portraits of the king (the new one being introduced in 1804), with the legend . The design of the reverse was a crown, with the legend (to 1800) or (from 1801). 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,