1. Stamp seal 0.71 x 0.63 in. (1.8 x 1.6 cm) Date: -2300 - -1700ca. late 3rd–early 2nd millennium B.C. Geographic region: Bactria-Margiana Time period: Bronze Age Medium: Hematite Extent: 0.71 x 0.63 in. (1.8 x 1.6 cm)