COLOMBIA, 1921, "Valor 30 ctvos, S.C.A.D.T.A." on 50c Pale Green, Air Post Surcharge (Colomphil 10; Scott C21).
With sheet margin at bottom, particularly well-centered, surcharge with very light print of "ctvos", neat violet Barranquilla "clock" cancel and Nov. 14, 1921 datestamp, small thin and minute tear in bottom margin, Very Fine appearance, less than 20 used examples
are thought to exist, ex Goeggel, signed Kessler, Scott $575.00
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