Camerouns. (Canada). 1942. Registered Air Mail envelope addressed to Douala, French Cameroun bearing Canada SG 388, $1 blue tied by Ottawa date stamp 'Jul 1st 42' with framed hand-struck 'R/ Ottawa. On', endorsed 'Via Miami & West Africa' routed via Montreal and Miami '6th July' with Nigeria transit '18/7' and hand-stamp 'Censor' on face, circular 'A/1 and triangular cachet with circular 'Control Postal/ Commission A/ Territoire du Cameroun' on face and returned to New York bearing French Cameroun Yvert 254, 80c red-brown and Air Mail Yvert 13, 1f50 red and Yvert 15, 10f black tied by Douala/ Cameroun dispatch '30th Juin 43' with Douala/ Chargements on reverse, New York and Miami back-stamps.