United States Airmail/Airpost Collection Lot of 4. SC#'s C7-C10. 1926-1928. Mint, never hinged. Condition: F/VF - VF.

C7 - 10c dark blue, Map of United States and Two Mail Planes

C8 - 15c olive brown, Map of United States and Two Mail Planes

C9 - 20c yellow green, Map of United States and Two Mail Planes

C10 - 10c dark blue, Lindbergh's Plane "Spirit of St. Louis" and Flight Route








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