Australian Coins have not changed since last year. General circulation coins are - 5, 10, 20 and 50 cents, and $1 and $2 coins.
Have a look at the Royal Australian Mint homepage at the link below.
The following information is from the Royal Australian Mint Annual Reports. In the 2007-2008 Financial Year, the Royal Australian Mint produced 196,685,000 Australian general circulation coins. In the 2008-2009 Financial Year, the Royal Australian Mint produced 167,600,000 Australian general circulation coins. The statistics for the 2009-2010 Financial Year are not yet available.
The Royal Australian Mint produced 19.031 million standard cupro-nickel 50 cent coins.
The Royal Australian Mint advises that from 1984 to 2009, approximately 754.246 million Australian One Dollar coins have been minted for general circulation.
All Australian coins feature the reigning Monarch on the obverse, currently Queen Elizabeth II since 1953. For the introduction of the Australian decimal currency in 1966, it was decided to have a uniquely Australian design for coins and most banknotes. See the links below to the Royal Australian Mint (RAM) and The Reserve Bank of Australia (RBA) for images of current Australian coins and banknotes.
The Australian coins, the Australian anthem and the Australian notes.
The Royal Australian Mint produces all of Australias circulating coins and the coins for a number of other countries in addition to bullion coins, medals, medallions and other privately commissioned articles.
The East Australian Current (EAC). Both Dory and Marlin followed it.
The original Australian decimal coins were designed by Stuart Devlin and mostly produced by the Royal Australian Mint Canberra.
1900, first flown on Federation 1901.
The reigning British monarch is on the obverse of all Australian coins. Currently, it is Queen Elizabeth II.
There were 4,337,200 Australian 1997 50 cent coins minted.