Wallal Centenary 2022 $1 Uncirculated

2022 50c CuNi Uncirculated Coin – 75th anniversary of the Australian Signals Directorate (ASD)

In 1922, the eyes of the international scientific community were focused on an expedition of scientists to Wallal, Western Australia to photograph a total eclipse due on 21 September. Precise measurements of the apparent position of the stars near the eclipsed Sun were photographed and provided the evidence supporting Einstein’s revolutionary Theory of General Relativity!

• Coin's reverse design illustrates the location of Wallal, Australia, the narrow band from which the eclipse could be best seen and the Earth sitting within a funnel depicting Einstein's Theory of General Relativity  
• Encapsulated coin in presentation card
• Coin's obverse features Queen Elizabeth II effigy sculpted by Jody Clark
• Australian legal tender