Austraalia
Praegu kuvatakse: Austraalia - Ametlikud margid (1913 - 1931) - 1 margid.
1931
Charles Kingsford Smith's World Flights - Postage Stamps Overprinted "O S"
4. mai WM: mitte ükski perforatsioon: 11
![[Charles Kingsford Smith's World Flights - Postage Stamps Overprinted "O S", Tüüp H]](https://www.stampworld.com/media/catalogue/Australia/Official-stamps/H-s.jpg)
![[Charles Kingsford Smith's World Flights - Postage Stamps Overprinted "O S", Tüüp H1]](https://www.stampworld.com/media/catalogue/Australia/Official-stamps/H1-s.jpg)
