Stamps Year 1957

Nature Protection Day (European Robin).
Nemesio Ramirez Lemos
International Letter Writing Week.
Nemesio Ramirez Lemos
Nature Protection Day.
Nemesio Ramirez Lemos
Europe-CEPT.
Nemesio Ramirez Lemos
Europe-CEPT.
Nemesio Ramirez Lemos
350th Aniv of Justus Liebig University, Giessen.
Nemesio Ramirez Lemos
German merchant ship day.
Nemesio Ramirez Lemos
500 Years of the University of Freiburg.
Nemesio Ramirez Lemos
Coast and Geodetic Survey 1807-1957 - Coast and Geodetic Survey 1807-1957
Herman Cudris Castaņeda
QUEEN ELIZABETH.
Jose Ignacio Ruiz