Nord-Yemen
Viser nå: Nord-Yemen - Postfrimerker (1926 - 1990) - 2 frimerker.
1970
Airmail - Interplanetary Space Stations Projects
21. July VM: Ingen Perforering: 10½ x 9
1971
Soviet Space Station - Issue of 1970 Overprinted
30. April VM: Ingen