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
Halfpenny (British pre-decimal coin) Halfpenny (British pre-decimal coin) The British pre-decimal halfpenny (d) coin, usually simply known as a halfpenny (pronounced ), historically occasionally also as the obol, was a unit of currency that equalled half of a penny or of a pound sterling. Originally the halfpenny was minted in copper, but after 1860 it was minted in bronze. It ceased to be legal tender in 1969, in the run-up to decimalisation. The halfpenny featured two different designs on its reverse during its years in circulation. From 1672 until 1936 the image of Britannia appeared on the reverse, and from 1937 onwards the image