Bidspirit auction | Angola. Airmail. Registered letter, dispatched

Angola. Airmail. Registered letter, dispatched from Catumbela to Luanda by airmail. Postage of 1$00 (stamp of the Colonial Empire of 40 centavos and 6 stamps of 10 centavos of postage due serving as postal stamps), marked in Lobito on March 16, surcharge of 0.90, label of charged tax, canceled in Luanda on March 16, 1946.