Pedro Gruenholz

Stamps Year 1981 . Pedro Gruenholz

M. Keldysh, mathematician
Russia
Sergey Prokofiev, composer
Russia
Niagara on the lake
Canada
Aviators
France
Telecommunications
Cape Verde
Joint development
Germany
The Paloma Festival
Spain
motorcycle tour
Mongolia
200th anniversary of the birth of Andrés Bello
Venezuela
Christmas 1981
Canada