Vintage Taxco Mexico 950 silver link bracelet inlaid with malachite stones circa 1980. This bracelet is stamped TM 181 Mexico 950. The TM stands for Taxco Mexico, the 181 is the registry number of the artisan. A 950 stamp means the bracelet is 950 per 1000 parts pure silver. Sterling is 925 per 1000 parts pure silver.