1981 20c Australian coin 3 1/2 claw error
1999 20c Australian coin Cud error
2001 20c Australian coin Cent of Federation ACT
2001 20c Australian coin Cent of Federation Northern Territory
2001 20c Australian coin Cent of Federation NSW
2001 20c Australian coin Cent of Federation Victoria
2001 20c Australian coin Cent of Federation Western Australia
2001 20c Australian coin Sir Donald Bradman
2003 20c Australian coin Volunteers
2005 20c Australian coin Coming Home
2008 20c Australian coin Wave Gap error & 3 1/2 claws
2011 20c Australian coin Royal Wedding of William and Kate
2016 20c Australian coin Decimal Currency Changeover
2017 20c Australian coin Anzac Nursing Service Cross
2017 20c Australian coin Anzac Victory Medal
