Združene države
Sedaj prikazano: Združene države - Znamke letalske pošte (1918 - 2012) - 3 znamke.
30. maj WM: Nič Velikost polja: 20 Oblika: Ethel Kessler. Gravura: American Bank Note Co. Perforacija: 11¼ x 11½
![[Landscape - Acadia National Park - Self-Adhesive, tip XAF]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAF-s.jpg)
25. marec WM: Nič Velikost polja: 20 Oblika: Ethel Kessler. Gravura: American Bank Note Co. Perforacija: 11½ x 11¾
![[Landscape - Acadia National Park - Self-Adhesive, tip XAF1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAF1-s.jpg)
18. januar WM: Nič Velikost polja: 20 Oblika: Ethel Kessler. Gravura: American Bank Note Co. Perforacija: 11½ x 11¾
![[Landscape - Acadia National Park - Self-Adhesive, tip XAF2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAF2-s.jpg)
