İsviçre
Şimdi gösteriyor: İsviçre - UN (1950 - 1963) - 1 pullar.
1963
UNCSAT - United Nations Conference on Science and Technology
4. Şubat WM: Hiçbiri Perforasyon: 11¾
![[UNCSAT - United Nations Conference on Science and Technology, tip I]](https://www.stampworld.com/media/catalogue/Switzerland/UN/I-s.jpg)
![[UNCSAT - United Nations Conference on Science and Technology, tip J]](https://www.stampworld.com/media/catalogue/Switzerland/UN/J-s.jpg)
