Lot# 2834 - Auction 274-283
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Lot# : 2834 Colombia
1919 (June 18): First Experimental Flight by William Knox Martin, overprinted 2 c. carmine-rose, position 2 on the form of 10 subjects, tied to 1919 cover to Puerto Colombia by violet "Barranquilla" datestamps (June 18). Some minor aging, but the adhesive very fine. A rare cover. Signed Alex Rendon Scott = $ 1'700+.Starting bid : 750 CHFHammer price : not sold