Airmail - Postage Stamp Perforated "OS" - "S" has 12 Perforations 1929
Now showing: Australia - Official stamps - 1929 - Airmail - Postage Stamp Perforated "OS" - "S" has 12 Perforations - 1 stamps.
Now showing: Australia - Official stamps - 1929 - Airmail - Postage Stamp Perforated "OS" - "S" has 12 Perforations - 1 stamps.
![[Airmail - Postage Stamp Perforated "OS" - "S" has 12 Perforations, type E]](https://www.stampworld.com/media/catalogue/Australia/Official-stamps/E-s.jpg)
