Stamps Year 1961

XXV Aniv National Polytechnic Institute
Pedro Gruenholz
Chihuahua to Pacific Railway
Pedro Gruenholz
Bellaisla
Pedro Gruenholz
CRY OF INDEPENDENCE
Herberth Sierra Licona
World canoeing championships
Pedro Gruenholz
Grünerwaldsee
Pedro Gruenholz
Weisenbrücke
Pedro Gruenholz
president walter ulbricht
joaquín iturrioz
Tulip
José Carlos Maldonado
Cassia
José Carlos Maldonado