Hero grasping large kicking bird with either hand and stepping on third

"The earlier group (747-752), comprising cylinders for which a Neo-Babylonian classification is suggested, seems to reflect influence of the Middle Assyrian modeled style, while the later group (753-769) illustrates the specific character of the Neo-Assyrian modeled style of the late eighth and of the seventh century B.C., though in some cases a seal included in this grouping may have been made in Babylonia."--Porada, CANES, p. 90