This rare Australian 50 cent coin from 2001 celebrates the Centenary of Federation in Australia. What makes this coin truly unique are the three errors it contains, making it a must-have for any serious collector. The errors include a double rim on the obverse side, a die clash on the reverse side, and a misaligned edge lettering. With its decimal denomination, this coin is a piece of Australian history that you won't want to miss out on. Add this rare gem to your collection today.