1953, excavated by Max Mallowan, on behalf of the British School of Archaeology in Iraq; ceded in the division of finds to the British School of Archaeology in Iraq; acquired by the Museum in 1954, as a result of its financial contribution to the excavations.
Mallowan, M.E.L. 1953. "A Newly-Found Assyrian Royal Palace of 2750 Years Ago: 'Guardian Angels' and Palace Frescoes." In Recent Discoveries at Nimrud. Illustrated London News, p. 255.
Mallowan, M.E.L. 1954. "The Excavations at Nimrud (Kalhu), 1953." Iraq 16 (1), pp. 86-93, pl. XIX.
Lines, Joan. 1955. "Ivories from Nimrud." The Metropolitan Museum of Art Bulletin 13, p. 242.
Mallowan, M.E.L. 1956. Twenty-Five Years of Mesopotamian Discovery, 1932-1956. London: British School of Archaeology in Iraq, p. 68.