Elveţia
Prezentat acum: Elveţia - Timbre poştale (1849 - 2024) - 1 timbre.
1988
The 50th Anniversary of Pro Aero Foundation
8. Martie WM: Niciunul Design: Hans Hartmann. Gravură: Courvoisier. S.A. Perforare: 11¾
![[The 50th Anniversary of Pro Aero Foundation, Tip BAL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/BAL-s.jpg)
