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Colombia 1946 5c Deep Blue Airmail Die Proof Index Copy. Scott C145 var
Colombia 1946 5c Deep Blue Airmail Die Proof Index Copy. Scott C145 var
$240.00
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ABNC Archive File Index card for the 1946 airmail issue with instructions to adapt the die for the regular stamp (Scott 539-541). Die proof on India affixed to card with associated typed notes. Unique.
