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
Sixpence (Irish coin) minting decimal coins. However, the coin ended up being withdrawn instead, never to become a decimal-based coin; it remains the last pre-decimal coin to come off the production run. Sixpence (Irish coin) The sixpence (6d, ) coin was a subdivision of the pre-decimal Irish pound, worth of a pound or of a shilling. The Irish name ("reul") is derived from the Spanish "real". The coin was originally struck in nickel, like the threepence coin, and was very well wearing. The metal was changed to cupronickel in 1942 as nickel increased in value; this coin, which consisted of 75% copper and