1959, 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 1960, 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. 38, no. 30.
Marcus, Michelle I. 1995. “Art and Ideology in Ancient Western Asia.” Civilizations of the Ancient Near East, edited Jack Sasson, New York: Charles Scribner's Sons, p. 2500.