Camerouns. (French Camerouns). 1941. Air Mail envelope headed 'Par Avion' addressed to Douala cancelled by Douala date stamp '20th Juin 41' and endorsed 'Censur' in m/s with circular 'Controle Postal/ Commission A/ Territoire du Cameroun' negative censor seal, routed via Senegal with 'Controle Postal Militaire' censor label tied by oval 'Ouvert/ Par/ L' Autorite Militaire'. This cover must have been privately carried to the Camerouns and censored on arrival. Ex Maddocks and illustrated in his book.