Portuguese Guinea 1938 Airmail to New York with overprinted 5$00 commemorative stamp



Portuguese Guinea. 1938 Airmail. Portuguese Colonial Empire. Registered cover sent from Bissau station on March 10, 1940, with a postage of 24$35, (with colonial empire and air mail stamps) notably with the 5$00 stamp with the New York Exhibition overprint. Also, with an airmail label: Mod 115-A. Transited via Lisbon on the March 21st, arriving in New York on the April 2nd.

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