Apollo-Soyuz Space Mission - Joint U.S.-Soviet Cooperation in Manned Space Flight Block of Stamps

OFFICIAL FIRST DA 0.50 JULY EDY CENTE APOLLO APOLLO SOYUZ SPACE TEST PROJECT 10c FIRST DAY OF ISSUE UNITED STATES 1975 JOINT U.S.-SOVIET COOPERATION Art Craft IN MANNED SPACE FLIGHT us Oc APOLLO SOYUZ 1975 ССССССССССССССССССССССССССССССССССССССС APOLLO SOYUZ SPACE TEST PROJECT us Oc APOLLO SOYUZ 1975 10c Apsin Soyuz Space Mission APOLLO UNITED STATES-1975