Pedro Gruenholz

Stamps Year 1980 . Pedro Gruenholz

Sculptures
Hungary
75 Anniv.
Hungary
Otto Schmidt ship
Russia
Mikhail Somov Ship
Russia
Agu Dag research vessel
Russia
World record marine depth 10,910 meters
North Korea
Moscow Olympic Games
North Korea
Moscow Olympic Games
North Korea
Moscow Olympic Games
North Korea
Moscow Olympic Games
North Korea