Schweiz
Visar nu: Schweiz - UN (1950 - 1963) - 1 frimärken.
1963
UNCSAT - United Nations Conference on Science and Technology
4. februari WM: Inga Perforering: 11¾
![[UNCSAT - United Nations Conference on Science and Technology, Typ I]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UN/I-s.jpg)
![[UNCSAT - United Nations Conference on Science and Technology, Typ J]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UN/J-s.jpg)
