2022 75th Anniversary of Australian Signals Directorate UNC 50c Carded Coin

The Royal Australian Mint commemorates the 75th anniversary of the Australian Signals Directorate (ASD) with this unique and enigmatic 2022 50c Uncirculated Coin. ASD's origins date back to World War II, harnessing and mastering technology to reveal foreign secrets and protect Australia's own. Embedded in the coin design are six coded messages.

Mintage: 50,000