Tšekkoslovakia
Näytetään: Tšekkoslovakia - Postimaksumerkit (1918 - 1992) - 1 postimerkit.
1975
Co-operation in Space Research
30. syyskuu VM: Ei mitään Design: I. Strnad Perforaatio: 11¾ x 11½
![[Co-operation in Space Research, tyyppi BNI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BNI-s.jpg)
![[Co-operation in Space Research, tyyppi BNJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BNJ-s.jpg)
![[Co-operation in Space Research, tyyppi BNK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BNK-s.jpg)
![[Co-operation in Space Research, tyyppi BNL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BNL-s.jpg)
![[Co-operation in Space Research, tyyppi BNM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BNM-s.jpg)
