1951 Adult Education – Overprinted “CAMPANA Alfabetizacion” and Surcharged
1951 Adult Education – Overprinted “CAMPANA Alfabetizacion” and Surcharged
Ecuador
1951 Consular Service Stamps Overprinted “POSTAL” and Surcharged
1951 Consular Service Stamps Overprinted “POSTAL” and Surcharged
1951 Airmail – Panagra Airlines’ 20,000th Flight across Equator – Overprinted “20.000 Cruce Linea Ecuatorial PANAGRA 26-Julio-1951”
1951 Airmail – Panagra Airlines’ 20,000th Flight across Equator – Overprinted “20.000 Cruce Linea Ecuatorial PANAGRA 26-Julio-1951”
1950 Consular Service Stamps Overprinted “CORREOS”
1950 Consular Service Stamps Overprinted “CORREOS”
1950 Airmail – Issues of 1947 Surcharged “90 ctvs. 90”
1950 Airmail – Issues of 1947 Surcharged “90 ctvs. 90”
1950 Literary Campaign – Overprinted “ALFABETIZACION”
1950 Literary Campaign – Overprinted “ALFABETIZACION”
1950 Literary Campaign – Overprinted “ALFABETIZACION”
1950 Literary Campaign – Overprinted “ALFABETIZACION”