Ditunjukkan sekarang: Antartika Australia - Setem-setem bayaran pos (1980 - 1989) - 1 Setem-setem.
1986
The 25th Anniversary of the Antarctic Treaty
17. September WM: Tiada Corak: Alasdair McGregor Ukiran: Alasdair McGregor Perforasi: 14 x 13¼
![[The 25th Anniversary of the Antarctic Treaty, jenis BU]](https://www.stampworld.com/media/catalogue/Australian-Antarctic/Postage-stamps/BU-s.jpg)
