| Issuer: Czechoslovakia
Issue: 20th Anniversary of Interkosmos Space Programme Date: 4/12/1987 (1987 sheets) INCOMPLETE Block 1 (1, 1 x 1) 1, 1: 10kc d=Cosmonauts Alexei Gubarev & Vladimir Remek Block 2 (1, 1 x 1) 1, 1: 10kc d=Cosmonauts Alexei Gubarev & Vladimir Remek |
External links: Colnect 121877..ek-Interkosmos |
