Australia Philately: 1972 Tenth International Accountancy Congress

A special postmarker was provided from 16th to 21st October, 1972, at a temporary post office at the Congress venue. 

Details
  • Date: 16 October 1972 – 21 October 1972
  • Quantity:
    • 7630 (ordinary articles)
    • 26 (registered articles)