Austrālija
Rāda: Austrālija - Oficiāls Markas (1913 - 1931) - 1 marka.
1929
Black Swan - Postage Stamp Perforated "OS" - "S" has 12 Perforations
SV: Neviens Perforēšana: 11
![[Black Swan - Postage Stamp Perforated "OS" - "S" has 12 Perforations, veids F]](https://www.stampworld.com/media/catalogue/Australia/Official-stamps/F-s.jpg)
