1960, excavated by Robert H. Dyson Jr. on behalf of the Hasanlu Project sponsored by the University Museum of the University of Pennsylvania, the Archaeological Service of Iran, and The Metropolitan Museum of Art; acquired by the Museum in 1961, as a result of its financial contribution to the excavations.
Muscarella, Oscar W. 1988. Bronze and Iron: Ancient Near Eastern Artifacts in The Metropolitan Museum of Art. New York: The Metropolitan Museum of Art, p. 49, no. 56.
de Schauensee, Maude. 1988. "Northwest Iran as a bronzeworking centre: the view from Hasanlu." Bronzeworking Centres of Western Asia c. 1000-539 B.C., edited by John Curtis. London and New York: Kegan Paul International, pp. 51-52.