1917 censored cover sent registered to London with six ½ annas, overprinted I. E. F. cancelled by F. P. O. No. 306 9 JA 17 cancels. At the lower left is a m/s ‘Censored’ with the signature of the officer commanding below. A London 28 FE 17 arrival cancel is on the back. F.P.O. 306 was at Morogoro at that time