One of the Nimrud ivories, 9th-7th century BC. Discovered in Nimrud (modern Iraq) and excavated by the British in the 1940s-60s. The British Museum acquired many of the carvings in 2011, when they were exhibited for the first time to the public.
Nimrud: Winged human-headed bulls, the powerful guardians of ancient Assyrian gateways, serving such a purpose for the royal plalace of Nimrud (near Mosul in modern Iraq). and set in a sympathetic reconstruction at the British Museum