British Museum group of stone reliefs from the excavations of Max von Oppenheim at Tell Halaf that was purchased in 1920. More material followed from the excavations of Max Mallowan at Chagar Bazar and Tell Brak in 1935–1938 and from Woolley at Alalakh in the years just before and after the Second World War. Mallowan returned with his wife Agatha Christie to carry out further digs at Nimrud in the postwar period which secured many important artefacts for the museum. The collection of Palestinian material was strengthened by the work of Kathleen Kenyon at Jericho in the 1950s and the acquisition in
Conservation and restoration of ivory objects Conservation and restoration of ivory objects The conservation and restoration of ivory objects is activities dedicated to the preservation and projection of ivory object that have a value either historically or personally. Within institutions of cultural heritage this role is ideally taken on by the conservator. Ivory is relatively soft and can be worked on with nonmetal tools so it is often carved in decorative object, practical objects, and can be inlaid in other pieces. A popular decorative ivory work is scrimshaw, which is etched ivory with black or colored pigments. Ivory objects have been around since prehistoric times. Its