Airmail - Pro Aero 1946 1946
Now showing: Switzerland - Postage stamps - 1946 - Airmail - Pro Aero 1946 - 1 stamps.
1946
Airmail - Pro Aero 1946
22. May WM: None Design: Otto Baumberger Engraving: Courvoisier. S.A. Perforation: 11¾
![[Airmail - Pro Aero 1946, type RU]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/RU-s.jpg)