Austria 1981 Boltzmann 1844-1906

From Stamps of the World
  • Issue Date : 4 September 1981
  • Designed by : S. Buchner
  • Engraved by: A. Nefe
  • Printed by :
  • Print Process : Recess
  • Perforations : 14,25x13,75
  • Catalogue N°s: Yvert 1506, Michel 1677

Portrait of Ludwig Boltzmann (1844-1906), physicist.

Unused
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