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
British twenty-five pence coin a diameter of 38.61 mm. Twenty-five pence coin issues were discontinued after 1981 due to the prohibitive cost to the Royal Mint of producing such large coins with such small value. From 1990 the "crown" was revived as the commemorative five pound coin, having the same dimensions and weight but a value twenty times as great. The two can be distinguished because the five pound coin is marked with its value. The following 25p coins were produced: British twenty-five pence coin The commemorative British decimal twenty-five pence (25p) coin was issued in four designs between 1972 and 1981. These coins