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Title
GERMANY, DDR - CIRCA 1958 : a postage stamp from Germany, GDR showing the symbol of Planck`s quantum of action, signature of the #212509611
Description
GERMANY, DDR - CIRCA 1958 : a postage stamp from Germany, GDR showing the symbol of Planck`s quantum of action, signature of the scientist Max Planck. 100th birthday .
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