This is an outstanding heavy sterling silver and red spiny oyster shell necklace with Navajo pearl beads by Navajo artist Zia. The piece is signed ZIA and Sterling ad shows a silver necklace strand strung with Navajo pearl concho / concha sterling silver beads, handmade sterling clasp, and nine large tear drop pendants set with beautiful cabochons of red spiny oyster shell. The main pendant at the center shows a classic stamped Navajo pattern with rope silver border. The entire necklace has a fantastic antique patina. The necklace measures overall 23"L from clasp end to clasp end. Each pendant piece hangs 2"L. Total weight is 113.2 grams.