Stamps Category Communications

Effelsberg Radio Telescope
Nelida Fernandez Besada
Raisting ground station
Nelida Fernandez Besada
Airmail
Antonio Gordienco Muņoz
Ford 4-At airplane over mountains 1931 10 cents
Josep Roca Martin
1962 Airmail.
Antonio Gordienco Muņoz
Exp. Artistic treasures Mexico Peru
Antonio Gordienco Muņoz
Exp. Artistic treasures Mexico Peru
Antonio Gordienco Muņoz
World Telecommunications Day 1978 Dequede television tower (DDR).
Nemesio Ramirez Lemos
2509/35
Alejandro Cruz
2479/34
Alejandro Cruz