1. Harness ring surmounted by bull 5.71 x 2.76 in. (14.5 x 7.01 cm) Date: -2600 - -2350ca. 2600–2350 B.C. Geographic region: Mesopotamia Time period: Early Dynastic III Medium: Copper alloy Extent: 5.71 x 2.76 in. (14.5 x 7.01 cm)