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year
1959
1212 - International Geophysical Year
Owner
Manuel Briones
Observations
Torsion balance, from E?tv?s.
Country
Hungary
Face value
10
Year
1959
State
Used
Status
Interchangeable
Category
Commemorations
Format
Landscape
Color
Púrpura rojizo y Mar
Other information
Perforated stamp
visualizations
50