The Superb Lyrebird is featured on the reverse of all Australian 10 cent coins from the first issue in 1966 to present. [It has an amazing ablity to mimic the sounds of other animals and even machinery.]
The Australian 20 cent coin features a platypus on the reverse.
The last Australian 1 cent coins were minted in 1991. From their first issue in 1966, until their last issue in 1991, the Australian 1 cent coin had various portraits of Queen Elizabeth II on the obverse and a Feather-tailed glider on the reverse.
There is no flower on the reverse of an Australian 50 cent coin.
The lyrebird is on an Australian ten cent coin.
Queen Elizabeth II appears on the obverse of all Australian coins from 1953 to present. The Australian 5 cent coin features an echidna on the reverse. The reverse design has remained the same from the first issue in 1966 until present day.
The Australian non-commemorative 50 cent coin is the only current coin that has the Australian Coat of Arms on the reverse. Prior to decimalisation, the Florin (Two Shillings) and the Sixpence had the Australian Coat of Arms on the reverse, and from 1910 to 1936 the Shilling and the Threepence had the Australian Coat of Arms on the reverse.
Most animals will swim if there is very good reason for them to.The only animal on Australian general circulation (non-commemorative) coins that is known for swimming is the duck-billed platypus featured on the Australian 20 cent coin.The rest are not known for their swimming skills -1 cent = Feather Tailed Glider (no longer in circulation)2 cent = Frill Neck Lizard (no longer in circulation)5 cent = Echidna10 cent = Lyre Bird20 cent = Platypus50 cent = Australian Coat of Arms inc. kangaroo and emu1 Dollar = 5 Kangaroos2 Dollar = A bust of an Aboriginal elder
The Australian 20 cent coin features the platypus.
All Australian silver coins (5, 10, 20 and 50 cent) are composed of 75% copper and 25% nickel. The standard issue Australian 20 cent coin has Queen Elizabeth II on the obverse and a platypus on the reverse with a "20". They have a milled edge, weigh 11.31 grams and are 28.52 mm in diameter. The Australian 20 cent coin is occasionally used as a commemorative and the reverse design will be different from the usual. See the link below.
By the early 1960's, the government had decided that Australia would have a decimal currency and that the designs on the coins and notes would have a uniquely Australian theme.The Dollar was chosen as the unit of currency and there would be 100 cents in the Dollar.The designer of the reverse of the initial range of coins was Stuart Devlin, and to reflect Australia he chose various indigenous animals.All Australian decimal coins feature Queen Elizabeth II on the obverse.The reverse of general circulation (non-commemorative) Australian coins feature the following -1 cent = Feather Tailed Glider (no longer in circulation)2 cent = Frill Neck Lizard (no longer in circulation)5 cent = Echidna10 cent = Lyre Bird20 cent = Platypus50 cent = Australian Coat of Arms inc. kangaroo and emu1 Dollar = 5 Kangaroos2 Dollar = A bust of an Aboriginal elder from an engravingThe 20 cent, 50 cent and One Dollar coins are often used as Commemoratives and will have non-standard reverse designs in some years.Decimal currency was introduced in Australia on the 14th of February, 1966.Stuart Leslie Devlin, the designer, is an Australian artist and goldsmith, born in Geelong; his designs feature an attractive perception of depth and movement. The platypus on the 20c coin is particularly evocative, seen swimming below the water's surface. Devlin's tiny initials can be found on each coin. Stuart Devlin later designed the standard non-commemorative One Dollar coin.Horst Hahne designed the Two Dollar coin.The link below, to the Royal Australian Mint, gives excellent representations of Australian currency, including the various fifty cent and one dollar reverses, which change regularly for commemorative and theme purposes.
An Australian coin with 10 on the reverse is a 10 cent piece. The animal under the 10 is a Lyre Bird. This particular design has been in circulation since 1966. Composition is 75% copper, 25% nickel. It has a milled edge and weighs 5.66 grams. The obverse has Queen Elizabeth II on it. The Queen's portrait is updated every 10 to 20 years to reflect a more realistic likeness as time goes by.
The echidna, a spiky monotreme (egg-laying mammal), is represented on Australia's five cent coin.