C261 - XXV Anniversary of the National Polytechnic Institute

C261 - XXV Aniversario del Instituto Politécnico Nacional
OwnerManuel Briones
ObservationsLaboratory.
CountryMexico
Face value1
Year1962
StateUsed
StatusInterchangeable
CategoryCommemorations
FormatLandscape
ColorOliva y Azul violeta
Other informationPerforated stamp Air mail
visualizations83