Stamps Year 1957

Exchange
Mauricio Medina
Polish doctors."Dr. B. Dybowski".
Nemesio Ramirez Lemos
1957 King Baudouin I - Ybert:1029
Fernando Herrero
Evian-les-Bains
Jose Ignacio Ruiz
Roman ruins, Saint-Remy.
Jose Ignacio Ruiz
Rouen Cathedral.
Jose Ignacio Ruiz
Valencay Castle, Indre.
Jose Ignacio Ruiz
Elysee Palace.
Jose Ignacio Ruiz
Le Quesnoy.
Jose Ignacio Ruiz
VI Colombian Congress of Surgeons
John Michael Anderson