WW1. The Nyasaland Field Force, in PEA. unfranked cover, O.A.S, with Nyasaland/FF2, squared circle cancellation, March 12th, 1918, to Aberdeen, Scotland. Posted at Metangula, from J.C. Rhymas 218 B. Coy L.G.S.B.S.A.P.
WW1. The Nyasaland Field Force, in PEA. Cover franked 1d (pair of ½ d) with N.F overprint, with Nyasaland/FF2, squared circle cancellation, May 15th, 1917, to Lt rivers, with the South Rhodesian column, in the Nyasaland field Force.
