'The Last Attack on Mafeking: B.S.A. Police Escorting Boer Prisoners to the Gaol', 1901. The siege of Mafeking was lifted on 17 May 1900 - British South Africa Police escort Boers to jail. From "South Africa and the Transvaal War, Vol. V", by Louis Creswicke. [T. C. & E. C. Jack, Edinburgh, 1901]