Erik Boeré Philatelie : Stamps for sale - Switzerland
Now showing: Switzerland - Postage stamps (1849 - 2024) - 1 stamps.
1981
Airmail - Pro Aero - The 50th Anniversary of Swissair
9. March WM: None Sheetsize: 8 Design: Hans Erni. Engraving: Courvoisier. Perforation: 11¾
![[Airmail - Pro Aero - The 50th Anniversary of Swissair, type ATT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/ATT-s.jpg)
