Necklaces / Pendants by Jessica Briggs This gently concave pendant is supplied on silver box chain, either 18 or 20 inches long. Please specify. The oxidised textured surface is picked out in lemon and yellow golds, using the keum boo method.The pattern is further enriched by selectively removing oxide and burnishing. Features Primary Material : silver Other Materials : 18+23.5ct gold One of a Kind : No Metal : 18+23.5ct gold and silver Hallmarked : Yes Cleaning InstructionsGently wash in warm soapy water and dry. The silver chain can be dipped in Silver Clean liquid.