9N326 - 100 Years of Materials Testing in Berlin (BERLIN)

9N326 - 100 Años de Pruebas de Materiales en Berlín (BERLÍN)
OwnerManuel Briones
ObservationsMicrofracture of molten pure metal and microscope.
CountryGermany
Face value30
Year1971
StateUsed
StatusInterchangeable
CategoryCommemorations
FormatVertical
ColorMuticolor
Other informationPerforated stamp
visualizations75