Decimal Day old coins were returned to the banks and in this way the bulk of them were quickly taken out of circulation. The new halfpenny, penny, and twopence coins were introduced on 15 February 1971. Within two weeks of Decimal Day, the old penny (1d) and old threepenny (3d) coins had left circulation, and old sixpences were becoming rare. On 31 August 1971, the 1d and 3d were officially withdrawn from circulation, ending the transition period. The government intended that in speech the new units would be called "new pence", but the public decided that it was clearer and quicker to
Coins of Australia One Sovereign" on one side and Queen Victoria on the other, or "Sydney Mint, Australia, Half Sovereign", before starting in 1870 to mint gold coins of British design. One gold sovereign equaled £1. Federation in 1901 gave the Commonwealth a constitutional power to issue coins and removed this power from the States. British coins continued in use until 1910, when Australian silver coins were introduced. These included florins, shillings, sixpences and threepences. They had a portrait of King Edward VII on one side. Australian pennies and half-pennies were introduced into circulation the following year. In 1931 gold sovereigns stopped being