1. Plaque or lid with a bull's head 0.16 x 2.64 in. (0.41 x 6.71 cm) Date: -2250 - -1750ca. late 3rd–early 2nd millennium B.C. Geographic region: Bactria-Margiana Time period: Bronze Age Medium: Electrum Extent: 0.16 x 2.64 in. (0.41 x 6.71 cm)