First Seminar on Chemical Engineering - Emblem of the Seminar.

Primer Seminario de la Ingeniería Quimica - Emblema del Seminario.
OwnerHerman Cudris Castañeda
ObservationsC?d.
CountryDominican Republic
Face value33 centavo
Year1981
StateNew
StatusExhibition - Non-transferable
CategoryCommemorations
FormatVertical
Colorgris
Other informationPerforated stamp
visualizations180