Camerouns. (Belgian Congo). 1943. Registered Air Mail envelope addressed to Betare Oya, French Cameroun bearing Belgian Congo 1f25 carmine and black, 5f orange, 6f blue and 7f grey tied by Coquilhatville date stamp '2nd Oct 43' with matching registered label and 'Congo Belge Censure' label tied by Leopoldville transit routed via Brazzaville A.E.F. and Senegal with 'Controle Postal Militarire' censor tape tied by oval 'Ouvert/ Par/L'Autorite Militaire' with circular 'Control Postal/ Comerouns. Illustrated in Maddocks.