Interkosmos space program stamp series (1970)
13/09/2011 – Czechoslovak stamp series designed by Jaroslav Lukavský in 1970 for the Interkosmos space program.
Interkosmos was a space exploration program begun in 1967 by the Soviet Union and was designed to include members of allied Warsaw Pact countries in manned and unmanned missions.






Sources and more information
Czechoslovak stamp collection on Flickr
Interkosmos entry on Wikipedia

