The 50th Anniversay of Regularly Scheduled U.S. Airmail Service 1968
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1968
The 50th Anniversay of Regularly Scheduled U.S. Airmail Service
15. mei WM: Geen Perforatie: 11
![[The 50th Anniversay of Regularly Scheduled U.S. Airmail Service, type AW]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AW-s.jpg)
