Vintage 480 PM stamped with jeweler logo , 18 inch necklace with side cross pendant prong set with small natural diamonds. 480 PM is a mixture of precious metals: it is 25% pure gold, 21 % pure silver ,  2% palladium, and 52% alloy. Great condition, no damage that I can see, no missing stones. Please see all attached photos for details and description. Please ask any question you have. Weight approximately 2.49 grams.