# 1107 (1958) Geophysical Year - PB, UR #25985, MNH
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$0.45
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US 1958
GEOPHYSICAL YEAR
An international scientific project that lasted from 1 July 1957 to 31 December 1958. It marked the end of a long period during the Cold War when scientific interchange between East and West had been seriously interrupted; 67 countries participated.
Scott 1107
Solar disc and Michelangelo's "Creation of Adam."
Water Activated GumScott 1107
Perforated 11
Upper Right Stamp Plate Block of 4 - #25985
Upper Right Stamp Plate Block of 4 - #25985
Mint Never Hinged