Pedro Gruenholz

Colection

Hans and Gretel story
Germany
Cologne Philatelic Exhibition
Germany
2000 years founding Mainz
Germany
For the youth
Germany
2000 years Bonn foundation
Germany
Willi Baumeister, informalist painter
Germany
Friendship with Cambodia and Laos
Vietnam
Templet
Vietnam
Hammer and sickle
Vietnam
40 Anniv.
Vietnam