The Australian currency is available in notes of $100, $50, $20, $10 and $5, and coins of $2, $1, 50c, 20c, 10c and 5c. Australian banknotes are unusual in that they are made from plastic rather than paper. | The Australian currency is available in notes of $100, $50, $20, $10 and $5, and coins of $2, $1, 50c, 20c, 10c and 5c. Australian banknotes are unusual in that they are made from plastic rather than paper. |