Mesopotamian Cylinder Seal with Enkidu Vanquishing the Bull of Heaven, between 1970 and 1670 BC, Walters Art Museum, 42.786. http://commons.wikimedia.org/wiki/File:Near_Eastern_-_Cylinder_Seal_with_Enkidu_Vanquishing_the_Bull_of_Heaven_-_Walters_42786_-_Side_B.jpg