French Colonies. (Camerouns - Nigeria). 1943. Registered Air Mail envelope addressed to Kankan, French Guinea, French West Africa' bearing Cameroun 'Air Mail' Yvert 12, 1f orange and Yvert 15, 10f black (pair) tied by Nkong Bamba/ Cameroun date stamp '25th Dec 43' with matching registration label and circular 'Control Postal/ Commission A/ Territore du Cameroun' censor cachet with 'Controle Postal Militaire' label tied by oval 'Ouvert/ Par L' Autorite Militaire' cachet, routed via Nigeria with 'P.C. 90/ Opened by Examiner' label tied by framed 'Crown/ Passed/ P.P. 18' hand-stamp and Conakry/ Guinee Francaise arrival '5th Jan 44' on reverse. Lovely item of censored mail routed Trans Africa.