Praegu kuvatakse: Šveits - ÜRO (1960 - 1963) - 2 margid.
1963
UNCSAT - United Nations Conference on Science and Technology
4. veebruar WM: mitte ükski perforatsioon: 11¾
![[UNCSAT - United Nations Conference on Science and Technology, Tüüp I]](https://www.stampworld.com/media/catalogue/Switzerland/UN/I-s.jpg)
![[UNCSAT - United Nations Conference on Science and Technology, Tüüp J]](https://www.stampworld.com/media/catalogue/Switzerland/UN/J-s.jpg)
