Plaque in the form of a tree, Neo-Assyrian, ca. 9th?8th century B.C., Mesopotamia, Nimrud (ancient Kalhu), Assyrian, Shell, 1.85 x 0.14 in. (4.7 x 0.36 cm), Shell-Sculpture, This delicate plaque is finely incised with the image of a stylized tree. Th