Pedro Romero

Colection

Centenary of the 1st broadcast of Alfonso
Spain
II Centennial of the founding of San Diego, California.
Spain
III Centenary of the offering of the ancient kingdom of Galicia to Jesus in the Blessed Sacrament.
Spain
L Anniversary of the League of Red Cross Societies.
Spain
XV Colloquium Electroscopicum Internationale.
Spain
World stamp day.
Spain
World stamp day.
Spain
Europe- C.E.P.T.
Spain
VI European Congress of Biochemistry.
Spain
Stamp day.
Spain