| Australia 1975 (21 Apr) Space Cover Russian Rocket Indian Satellite BucklandPark
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| Australia 1975 (21 Apr) Space Cover with black printed text "RUSSIAN ROCKET LOFTS FIRST INDIAN SATELLITE/BLUE & VIOLET 26 FACED SATELLITE CIRCLES THE EARTH/EVERY 96.41 MINS. IN NEAR CIRCULAR ORBIT OF APPROX./664 KM. STUDIES X-RAY EMISSIONS FROM OUTER SPACE,/SOLAR NEUTRONS AND GAMMA RAYS EMANATING/FROM THE SUN, STUDY OUTER LAYER OF EARTH`S/ATMOSPHERE" and blue handstamp "BUCKLAND PARK/WORLDS LARGEST/IONOSCOPE AERIAL ARRAY" unaddressed and affixed with 10c Star Sapphire cancelled "ADELAIDE/21AP75/29/STH AUST".
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Item #: INV-130959
Condition Co
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