14th International Congress for Water Supply, in Zürich

14 Congreso Internacional para el suministro de agua, en Zürich
OwnerPedro Gruenholz
CountrySwitzerland
Face value80 rappen
Measures3,5x2,5 cms
Year1982
StateUsed
StatusExhibition - Non-transferable
CategoryEvents
FormatLandscape
Other informationPerforated stamp
visualizations330