Stamps Category Education

Modern Architecture
Hector Mario Camargo Pulido
Students in the Laboratory
Hector Mario Camargo Pulido
Draftsmen and Topography
Hector Mario Camargo Pulido
Free Textbooks in 52 Indigenous Languages
Héctor Blaz Rodríguez
Teaching to Read
Hector Mario Camargo Pulido
Teaching to Read
Hector Mario Camargo Pulido
440 - International Year of Human Rights
joaquín iturrioz
2349 - Literacy campaign
joaquín iturrioz
1 peseta 1962
Francisco Javier Jiménez Frías
1 peseta 1962
Francisco Javier Jiménez Frías