Camerouns. (Nigeria). 1943. Registered Air Mail envelope addressed to Manchester bearing French Cameroun Yvert 122, 65c brown and blue, Yvert 131, 10f violet and orange and Yvert 137, 35c green tied by Nkongsamba/ Cameroun date stamp '20th Jul 43' with matching registered label, circular 'Controle Postal Militaire' label tied by oval 'Ouvert/ Par/l'Autorite Militare' with bold triangular cachet in red on face (applied in Nigeria) and oval 'Registered/ Lagos' transit '30th Jy' on reverse. Nice item sent the double Atlantic route. Ex Maddocks.
Triangular Nigeria censor known dates (27.8.42) - (17.8.43).