Morocco Agencies. (Great Britain). 1936. Air Mail 'El Minzah Hotel, Tangier' crested envelope addressed to London bearing British Morocco SG 60, 6d purple tied by British Post Office/ Tangier double ring '7th Mar', routed via Paris with slogan 'Gagnez Du Temps/ Repondez/ Par Avion' dated '9th Mars 1936', underpaid with boxed 'T' applied in Tangier and hand-struck 'T' with '1/-' in pencil m/s and hand-stamped 'S.D. 1/- F.B.' and bearing Great Britain postage due SG D 25, 1s blue applied and tied by London receiver.