Inlay: woman wearing a cylinder seal, playing a flute, Early Dynastic IIIa, ca. 2600?2500 B.C., Mesopotamia, Nippur, Sumerian, Shell, 2 1/2 x 1 1/4 in. (6.3 x 3.1 cm), Shell-Ornaments, This plaque is cut from a piece of pearly shell in the shape of a