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Space Exploration

Combination (C) Soviet Union 1972 / Single stamp / mint condition / Michel #4079 / Yvert #3902 + ..

6.78€

Cosmonautics Day 1973

Combination (C) Soviet Union 1973 / Set of 2 stamps / mint condition / Michel #4107-08 / Yvert #39..

2.95€

American-Soviet Joint Flight Apollo-Soyuz

Combination (C) Bulgaria 1975 / Set of 3 stamps / mint condition / Michel #2418-20 / Yvert #PA122-..

3.99€

20 Years Space Research

Bulgaria 1977 / Set of 3 stamps / mint condition / Michel #2633-35 / Yvert #PA126-28 Note: The b..

1.39€