Sjedinjene Države
Sada prikazujemo: Sjedinjene Države - Marke zračne pošte (1918 - 2012) - 2 marke.
1935
"China Clipper" over the Pacific
22. новембар WM: Ništa Perforacija: 11
![["China Clipper" over the Pacific, Tip M]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/M-s.jpg)
1937
"China Clipper" over the Pacific
15. фебруар WM: Ništa Perforacija: 11
![["China Clipper" over the Pacific, Tip M1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/M1-s.jpg)
![["China Clipper" over the Pacific, Tip M2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/M2-s.jpg)
