Pedro Gruenholz

Stamps Category Events Pedro Gruenholz

Union of municipalities
Iceland
Statehood to Hawaii
United States
Halley's Comet
Hungary
Hungarian Days in Tokyo
Hungary
& Philatelic Congress
Russia
cosmonauts, Expo 85 Japan
Russia
international year of the child
Russia
Int. Year of Youth
Hungary
Philatelic exhibition in Poland
Hungary
They paid with their lives for space exploration
Equatorial Guinea