Algeria. (French Camerouns - Nigeria). 1942. Air Mail envelope addressed to French Camerouns bearing Algeria Yvert 178, 1f50 carmine (7) tied by Alger date stamp '15th Dec 42', endorsed 'via Dakar' with Senegal 'Control Postal' label on reverse tied by oval 'Ouvert/ Par Les/ Autorite de Controle' and circular 'A/3'. routed via Nigeria with 'P.C. 90/ Opened By Examiner' label tied on face by framed 'Crown/ Passed/ PP/ 25' censor cachet in violet with 'Cotonou/ Dahomey transit '3rd Jan 43' and Afrique Rquatoriale Francaise label 'Controle Postal Militaire' tied by oval 'Ouvert/ Par/ L' Autorite Militaire' cachet and circular 'Controle Postal/ Commission A/ Territoire du Cameroun' on face, Douala and M' Balmayo arrival '4th Feb'.
Superb item, Trans- Africa Air Mail censored in Senegal, Cameroun, Nigeria and Equatorial Africa, 9 different censor cachets or labels.