Awstralja
Muri Bhalissa: Awstralja - Timbri uffiċjali (1913 - 1931) - 1 bolol.
1929
Black Swan - Postage Stamp Perforated "OS" - "S" has 12 Perforations
WM: Xejn Perforazzjoni: 11
![[Black Swan - Postage Stamp Perforated "OS" - "S" has 12 Perforations, Tip F]](https://www.stampworld.com/media/catalogue/Australia/Official-stamps/F-s.jpg)
