Stamps Year 1978

C616 - L Years of the Ecuadorian Social Security Institute
Manuel Briones
1844 - José Félix Estigarribia Insaurralde
Manuel Briones
1844 - José Félix Estigarribia Insaurralde
Manuel Briones
C296 - World Festival of Youth and Students
Manuel Briones
C295 - World Festival of Youth and Students
Manuel Briones
C294 - World Festival of Youth and Students
Manuel Briones
C292 - World Festival of Youth and Students
Manuel Briones
2203 - World Festival of Youth and Students
Manuel Briones
2202 - World Festival of Youth and Students
Manuel Briones
2201 - World Festival of Youth and Students
Manuel Briones