Stamps Year 1931

Edifil 622 III Congress of the Pan American Postal Union.
FCO. JAVIER ERASO
Edifil 610 III Congress of the Pan American Postal Union.
FCO. JAVIER ERASO
EAGLE
Herberth Sierra Licona
YERBA MATE AND AIRCRAFT
Herberth Sierra Licona
ORANGE TREE AND YERBA MATE
Herberth Sierra Licona
603 Alfonso XIII (Pegasus overloaded)
Pedro Romero
602 Alfonso XIII (2nd Spanish Republic)
Pedro Romero
601 Alfonso XIII.
Pedro Romero
600 Alfonso XIII.
Pedro Romero
599 Alfonso XIII.
Pedro Romero