British East Africa 1947 Registered envelope

cover (KGVI) 30c Blue upgraded with SG141, 30c Blue & Black (3) and SG145, 1/- Brown & Black (3), tied by Arusha datestamp, and Registration label "R. Arusha Tanganyika Territory No.3451" routed via Nairobi sent Air Mail to Switzerland with Binningen arrival. (pt)    ID: 11024