2 Aztec Obsidian Labrets from Mexico, ca. 1300 - 1500 AD. A pair of Aztec Obsidian Labrets from Mexico, ca. 1300 - 1500 AD. The first is 3/8ï¾ long and 7/8ï¾ wide, the second is 1/2ï¾ long an 5/8ï¾ wide, bode made from translucent, highly polished obsidian, but with ancient loss from extensive usage. Ex Cobb estate. Value range: $150 - $300.