URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1967
International Scientific Cooperation
10. Martie WM: Niciunul Marimea foii: 50 Design: V. Pimenov Perforare: 11½
![[International Scientific Cooperation, Tip DIY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DIY-s.jpg)
![[International Scientific Cooperation, Tip DIZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DIZ-s.jpg)