Portuguese Colonies. (Belgian Congo).1944. Air Mail envelope addressed to Buta, Belgian Congo bearing Portugal SG 950, $1.75 indigo and SG 952, $2.50 rose-red (2) tied by Lisboa date stamp '27th Jan 44', routed via South Africa with censor label and cachet with 'Controle' censor label tied by oval 'Ouvert/Par Les Autorite/YA' in violet with Buta and Stanlyville arrival '11th April 44'.