1923, BELGIUM: Colombia airmail issue with black opt. 'B' complete set of 12 incl. registration stamp, mint lightly hinged or with typical gum faults, scarce set! Mi. ~ € 610,-- (Image)

1923, FRANCE: Colombia airmail issue with black opt. 'F' complete set of 12 incl. registration stamp, mint lightly hinged or with typical gum faults, scarce set! Mi. € 577,-- (Image)

1926, letter from USA franked with 4C. cancelled by "STEAMSHIP" to Bogota. In Columbia by airmail franked with Scadta 30 C "EU" and 60 C. brown without imprint. Envelope bearing some transpot- and opening faults. (Image)

1927, front of a large bankletter from NEW YORK with 16 C. american franking to Bogota. Very high Scadta franking with "EU" machine printing for the airmail rate from Barranquilla to Bogota. (Image)

1928, bankletter from NEW YORK franked with 2 C. Washinton in Columbia via airmail from Barranquilla to Bogota franked with 30 Centavos Scata stamp with machine print "EU" (Image)