Pedro Gruenholz

Stamps Category Illustrations Pedro Gruenholz

Kepler Observation Tower and Astronomer
Romania
Power plant operation
Romania
Rod and key of Transylvania
Romania
Clarys Fountain in Teplice
Czechoslovakia
Heyduk with flag
Czechoslovakia
Young people of three races
Czechoslovakia
School and woman with book and leaves
Czechoslovakia
children's stories
Switzerland
children's stories
Switzerland
comics
Switzerland