Stamps Year 1957

Universal Postal Union-Letter Week-On the occasion of the XIV Congress of the UPU, 1957, Bogotá.
Herman Cudris Castañeda
french equatorial africa
David Merino Gòmez
french equatorial africa
David Merino Gòmez
indigenous militia
David Merino Gòmez
Post and telecommunications I
Jose Roberto Lara
Post and telecommunications I
Jose Roberto Lara
Post and telecommunications I
Jose Roberto Lara
Post and telecommunications I
Jose Roberto Lara
Post and telecommunications I
Jose Roberto Lara
1957 - Marianne de Muller, Liberty
Miquel Umbert