Royal crown derby necklace sudbury cushion design silver this foxtail necklace has been designed as part of our exclusive collection with royal crown derby it feature a cushion piece of fine bone china from the popular sudbury design from royal crown derby the intricate navy blue and gold design has been set within a sterling silver cushion setting surrounded with a foxtail detailing and completed with a lobster clasp fastening there are matching items within the sudbury foxtail collection