50th Aniv of Bohr's atomic theory.

50a Aniv de la teoría atómica de Bohr. Profesor Niels Bohr.
OwnerNemesio Ramirez Lemos
CountryDenmark
Colection
Face value60öre.
Measures3,2x2,4 cm.
Year1963
StateUsed
StatusExhibition - Non-transferable
CategoryCommemorations
FormatLandscape
Colorazul
Other informationPerforated stamp
visualizations229