Stamps Year 1950

Bicentennial of the Academy of Fine Arts of Venice (1750-19509)
Herman Cudris Castañeda
Postage due
Jose Roberto Lara
Aztec Mail - 75°Aniv.
Herman Cudris Castañeda
IV Centenary of the Apparition of the Lord of the True Cross (1550-1950)-Potosi-Boloivia.
Herman Cudris Castañeda
Pre-Columbian Monument - Overprinted with the "A" Avianca Airline -
Herman Cudris Castañeda
Pre-Columbian Monument - Overprinted with the "A" of Avianca Airline -
Herman Cudris Castañeda
El Dorado (Altiplano Cundiboyacense) - Overprinted with the "A" of Avianca Airline -
Herman Cudris Castañeda
Cartagena de India-Spanish Fortification-15 Ctvos Stamp.
Herman Cudris Castañeda
Cartagena de India-Spanish Fortification- Overprinted with the "A" of Avianca Airline-
Herman Cudris Castañeda
Bogotá Colonial-Calle Colonial- Overprinted with the "L" of Aerolínea Lansa-
Herman Cudris Castañeda