Australia Philately: 1971 First Asian and Oceanian Congress of Radiology

The First Asian and Oceanian Congress of Radiology, held at the Masonic Centre, Melbourne, 22nd to 26th November, 1971, was also provided with a special postmarker, used at the congress temporary post office at the Masonic Centre, Melbourne. 

Details
  • Date: 22 November 1971 – 26 November 1971
  • Quantity:
    • 3671 (ordinary articles)
    • 14 (registered articles)