A special postmarker was used from 26th to 28th July, 1971, at a temporary post office at the Park Towers Hotel, Perth, Western Australia, for the convenience of delegates to the Australian Federation of Travel Agents Convention.
Details
- Date: 26 July 1971 – 8 July 1971
- Quantity:
- 819 (ordinary articles)
- 21 (registered articles)
