Pedro Gruenholz

Stamps Year 1982 . Pedro Gruenholz

XIV Pan American Games
Nicaragua
Nicaraguan paintings
Nicaragua
telecommunications
Nicaragua
Nicaraguan paintings
Nicaragua
Nicaraguan paintings
Nicaragua
14 World Telecommunication Days
Djibouti
DDR, Calla palustris
Germany
14th International Congress for Water Supply, in Zürich
Switzerland
Oath of eternal loyalty
Switzerland
Poplar Populus diversifolia
Mongolia