Commemorate a landmark moment in scientific history with the 2022 Wallal Centenary Postal Numismatic Cover (PNC), celebrating the centenary of the 1922 Wallal Expedition where Einstein's Theory of General Relativity was tested and confirmed in Australia.
This dramatic cover features a striking portrait of Albert Einstein alongside a commemorative coin and a $1.10 Australia Post stamp, cancelled with a First Day of Issue postmark from Sydney NSW 2000, October 2022. Issued exclusively at the ANDA Sydney Money Expo, numbered 741/750
