Fire & Ice: Zeppelins, Aerophilately and the Titanic #643

Colombia, 1919, First Experimental Flight from Barranquilla to Puerto Colombia, with rare 2¢ airmail stamp tied on envelope by Barranquilla & Puerto Colombia Jun. 18, 1919 datestamps; light vertical fold not affecting stamp, Fine to Very Fine, signed by Diena.
Scott $1,700 faulty example off cover.
Estimate $1,500 - 2,000

The flight was made by American aviator William Knox Martin on June 18, 1919. On this occasion, 200 examples of 2¢ stamps were overprinted at Barranquilla Printing Office. This was executed in horizontal strips of ten, which were severed with a guillotine knife, causing horizontal perforations to have a "cut" appearance. Of the total stamps issued, only 160 were used on covers on the special flight .