Australian Antarctic
Now showing: Australian Antarctic - Postage stamps (1957 - 2025) - 1 stamps.
1971
The 10th Anniversary of the Antarctic Treaty
23. June WM: None Design: John Mason Perforation: 13½
![[The 10th Anniversary of the Antarctic Treaty, type S]](https://www.stampworld.com/media/catalogue/Australian-Antarctic/Postage-stamps/S-s.jpg)
![[The 10th Anniversary of the Antarctic Treaty, type T]](https://www.stampworld.com/media/catalogue/Australian-Antarctic/Postage-stamps/T-s.jpg)
