Airmail - Panagra Airlines' 20,000th Flight across Equator - Overprinted "20.000 Cruce Linea Ecuatorial PANAGRA 26-Julio-1951" 1951
Now showing: Ecuador - Postage stamps - 1951 - Airmail - Panagra Airlines' 20,000th Flight across Equator - Overprinted "20.000 Cruce Linea Ecuatorial PANAGRA 26-Julio-1951" - 2 stamps.