1662 - 275th Anniversary of the German Academy of Sciences (DDR)

1662 - 275 Aniversario de la Academia Alemana de Ciencias (DDR)
OwnerManuel Briones
ObservationsKarl-Schwarzschild Observatory, Tautenburg, near Jena.
CountryGermany
Face value20
Year1975
StateNew
StatusInterchangeable
CategoryArchitectural
FormatLandscape
ColorVioleta, Azul y Negr
Other informationPerforated stamp
visualizations97