You are viewing a fine quality 950 silver necklace made in Mexico in the 1980's. The best quality of Mexican silver is made of 950 or 980 Silver. The necklace measures 15 1/2" long; and, it is 3/4" wide in the front. It has a locking style clasp. The front three panels are inlaid with 950 Silver. There are 21 panels which are all hinged together. The clasp is marked: Mexico,Tn-50, 950. The necklace weighs 83.3 grams.