International Esperanto Congress - International Communication

Congreso Internacional de Esperanto - Comunicación Internacional

Owner	Herman Cudris Castañeda
Observations	Esperanto: International Language.
Country	Hungary
Face value	1 florín h
Year	1962
State	Used
Status	Exhibition - Non-transferable
Category	Education
Format	Vertical
Color	verde.
Other information	Perforated stamp Air mail
visualizations	196