Copper, similar to 29-20-2, but larger, kept by H.V. Hilprecht. See description in EXCAVATIONS IN ASSYRIA AND BABYLONIA, p. 539: "A better preserved, larger head of the same animal (two thirds life size)." --not illustrated.
Kawami, Trudy S., and John Olbrantz. Breath of Heaven, Breath of Earth: Ancient Near Eastern Art from American Collections. University of Washington Press, 2013. Page/Fig./Plate: 162/47
Aruz, Joan. Art of the First Cities: The Third Millennium B.C. from the Mediterranean to the Indus. New York: The Metropolitan Museum of Art, 2003. Page/Fig./Plate: 82