"CENSURE MILITAIRE KIGOMA LE 09/10/17 LE CENSEUR", white censor label on reverse of registered cover originally franked with Ruanda-Urundi 1916 5c.-5fr., 1fr. fell off in transit, see handwritten notation at top left, from "KIGOMA 2 OC 17" to Paris, censor label at right, not deliverable at the address and returned accordingly, various transit stamps on the reverse, some faults, but a very attractive and rare entire