We are selling this nice chunky signed Mexican sterling silver necklace with obsidian or jet gemstone and open design. Approximately 3.36 ozt Condition: Good condition. Dimensions: Height 9 1/4 Inches 23.6 cm Thickness 5/8 Inches 1.6 cm Depth 3/8 Inches 1.0 cm Unclasped Length 19 Inches 48.3 cm