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
Two guineas (British coin) from 1671 the milling was diagonal to the coin. John Roettier continued to design the dies for this denomination in the reign of King James II. In this reign, the coins weighed 16.7 grams, and were only minted in 1687 and 1688. By the early part of this reign the value of the guinea had increased to nearly thirty shillings. The kings' head faces left in this reign, and is surrounded by the inscription , while the obverse is the same as in Charles II's reign except for omitting the interlinked "C"s in the centre of the coin. The edge