Black and white snapshot photograph by William John Roberts. Handwritten caption around border: "'Allaby', Casswells Boy, Zaria, West Africa, 1922". Image shows Allaby - a Nigerian man who acted as a servant to a European named Casswell - wearing a white t-shirt and khaki trousers with belt. Zaria, Kaduna State, Northern Nigeria. From page 1 of a small photograph album titled "Snaps taken by W.J. Roberts (John)."