Morocco Agencies. (British Post Office). 1946. Registered Air Mail envelope headed 'Legation of the United States of America/ Office of the Naval Attache/ Tangier, Morocco' addressed to New York bearing Great Britain SG 472, 8d bright carmine (strip of three) tied by oval 'Registered/ British P.O. Tangier' with hand-struck 'O.A.T.' in violet and instructional 'North Atlantic/ Air Service' with New York arrival on reverse.
Nice franking, attractive Onward Air Transmission cover.