| USA 1967 (14 Jun) Space Cover SCIENTIFIC BALLOONING Palestine Texas
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| USA 1967 (14 Jun) Space Cover "COMMEMORATIVE/ SCIENTIFIC/ IMAGE OF BALLOON/ BALLOONING/FLIGHT COVER/ NCAR FLIGHT STATION/ PALESTINE - TEXAS" and typed manu"NEUTRON DETECTOR EXPERIMENT/FOR DR. E. L. CHUPP OF THE/UNIV. OF NEW HAMPSHIRE" unaddressed and affixed with 5c Humane Treatment Of Animals stamp cancelled "PALESTINE, TX/JUN 14/PM/1967/75801"
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Item #: INV-128447
Condition Co
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