For the past 10 years people have been finding in their change the Aussie 5 cent piece with the Queen’s head on both sides -a so-called ‘double header‘. This came about when two head side dies were placed into the…

Above you can see a stunning 1974 5 cent that has a second strike about 75% off centre from the first. Keen observers will also note that the second strike on the obverse shows part of the 5 cent reverse…

Above you can see a truly spectacular error, a 2001 Australian 20 cent struck on a bi-metal planchet. Wrong or foreign planchet errors are at the apex of desirability for Australian error collectors, and errors like this coin that are…