Commemorating the World's First Communications Satellite Echo 1 Block of Stamps

NASA Art Craft GOLDSTONE CALIF First Day of Issue NASA ECHO SATELLITE COMMUNICATIONS EXPERIMENT. Commemorating THE WORLD'S FIRST COMMUNICATIONS SATELLITE ECHO 1 PLACED IN ORBIT AROUND THE EARTH BY THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION ON AUGUST 12TH 1960 WASHINGTO DEC. 15 9:00 A.M. 1960 D. C. COMMUNICATIONS FOR PEACE DE ECHO I COMMUNICATIONS FOR PEACE EC.10 US POSTAGE C COMMUNICATIONS FOR PEACE ECHO I FIRST DAY OF ISSUE COMMUNICATIONS FOR PEACE ECHO I U-S-POSTAGE IC