In 1969, the new designed fifty cent coin was released and it was in the shape of a Dodecagon.
The Royal Australian Mint in conjunction with the ANDA has produced this special 50th Anniversary Silver Proof Coin
This release celebrates the 50th anniversary of the Dodecagon 50c coin with the 2019 dated coin and the 1969 Queen's Effigy design on the coin.
The coin release was only available at the 2019 Melbourne ANDA Money Expo
Limited Mintage of only 1,969 coins being produced