Río Negro Dam - Power Dam on the Río Negro.

Presa de Río Negro - Represa de Energía en el Río Negro.
OwnerHerman Cudris Castañeda
ObservationsMichel:UY 570 II, Stamp Number:UY C92, Yvert et Tellier:UY PA82 - Print run of 100,000 stamps.
CountryUruguay
Face value20 Cents.
Year1938
StateNew
StatusExhibition - Non-transferable
CategoryEconomy
FormatLandscape
Colorverde
PrinterImp. Nacional.
Other informationPerforated stamp Air mail
visualizations241