1. Pin 4.21 x 1.18 in. (10.69 x 3 cm) Date: -2250 - -1750ca. late 3rd–early 2nd millennium B.C. Geographic region: Bactria-Margiana Time period: Bronze Age Medium: Electrum, silver Extent: 4.21 x 1.18 in. (10.69 x 3 cm)