Lot 519
Sea and Mountain 10 c. brown-red tied by oval "Cia Columbiana de Nevegacion AEREA MEDELLIN" to flight cover with flight vignette and 3 c. red to Cartagena with arrival mark "CARTAGENA DEC.25.1920" on front, cover opened for display and shortened at left and at bottom and traces of adhesive in the area of flight stamp, despite the restrictions a decorative cover, signed Champion and Enzo Diena with certificate (1988)
