COLOMBIA, 1921, "Valor 30 Centavos" on 50c Pale Green, Short "A" in "Valor", Air Post Surcharge (Colomphil 20b; Scott C20 var).
Mint N.H., wonderfully fresh color on bright paper, small pencil note on gum
VERY FINE. THIS IS ONE OF ONLY TWO MINT EXAMPLES OF THIS DISTINCTIVE SHORT "A" VARIETY, COLOMPHIL NO. 20B. RARE IN NEVER-HINGED CONDITION.
Thought to have originated in Barranquilla as there is a used example with the "clock" cancel
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