Airmail - Charles Kingsford Smith's World Flights - Overprinted "O S" 1931
Now showing: Australia - Postage stamps - 1931 - Airmail - Charles Kingsford Smith's World Flights - Overprinted "O S" - 1 stamps.
1931
Airmail - Charles Kingsford Smith's World Flights - Overprinted "O S"
17. November WM: None Design: Frank D. Manley Engraving: Frank D. Manley Perforation: 11
![[Airmail - Charles Kingsford Smith's World Flights - Overprinted "O S", type L1]](https://www.stampworld.com/media/catalogue/Australia/Postage-stamps/L1-s.jpg)
