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)