Pedro Gruenholz

10 World Congress of Speleology

10 Congreso Mundial de Espeleología
OwnerPedro Gruenholz
CountryHungary
Face value5 forintos
Measures3,5x3,5 cms
Year1989
StateUsed
StatusExhibition - Non-transferable
CategoryEvents
FormatLandscape
Other informationPerforated stamp
visualizations456