Fine silver wire is wrapped around domed silver ina pattern reminescent of a flower. Hill Tribe Silver is made by the Karen tribe in Northern Thailand. These hand-crafted pieces are 95% - 99% pure silver. The higher silver content (compared to sterling silver, which is 92.5%) makes the pieces softer and easier to shape. Oxidation, hammer marks, and slight design variances are part of the allure of these distinctive pieces.