Unknown Sumerian, ‘Headdress’, ca. 2600–2500 B.C., The Metropolitan Museum of Art

Early Dynastic IIIa; Mesopotamia, Ur (modern Tell al-Muqayyar)
http://www.metmuseum.org/art/collection/search/322903

Image rights: The Metropolitan Museum of Art (Dodge Fund, 1933), licensed under CC0 1.0 Universal

About Unknown Sumerian