Progress in Electronics - Progress in Electronics - By Forest Audions -

Progress in Electronics - Progreso en Electrónica - De Forest Audions -
OwnerHerman Cudris Castañeda
ObservationsCodes: Michel:US 1116 - Stamp Number:US C86 - Yvert et Tellier:US PA79 - Stanley Gibbons:US A1508
CountryUnited States
Face value11 Cent.
Year1973
StateUsed
StatusExhibition - Non-transferable
CategoryScience
FormatLandscape
ColorLila
Other informationPerforated stamp Air mail
visualizations158