Rings by Sophie Stamp Sterling silver anticlastic ring with oxidised channel and gold bridge element.Item handmade to order. Features Primary Material : silver Other Materials : 18ct gold One of a Kind : No Metal : sterling silver and yellow gold 18ct Hallmarked : No Cleaning InstructionsTo clean the jewellery use a soft toothbrush with washing up liquid and hot water. Rinse very well and pat dry with tissue then leave in a warm place to air dry fully.The rough satin finish on the outside can be maintained if required by rubbing gently with the abrasive pad supplied, avoiding the oxidised areas.