Hydroelectricity - International Hydrological Decade - Dam-Dyke.

Hidroelectricidad - Década Hidrológica Internacional - Dique-Represa.
OwnerHerman Cudris Castañeda
ObservationsMi:PG 115, Sn:PG 241,Sg:PG 113
CountryPapua New Guinea
Face value5 céntimo.
Year1967
StateUsed
StatusExhibition - Non-transferable
CategoryScience
FormatVertical
Colormulticolor.
Other informationPerforated stamp Air mail
visualizations272