Vintage Southwestern Turquoise Stone Heishi Shell Beaded Necklace 21"

Great Condition Vintage Turquoise Heishi Necklace Vintage Southwest, 60s, 70s Native American Necklace Possibly a Santo Domingo Pueblo, Kewa Pueblo Necklace Turquoise nuggets, Turquoise stone with black-grey veins Shell heishi beads Graduated, Disc-shaped shell beads White, Grey shell heishi beads Central cluster of turquoise nuggets Tiny brown shell heishi beads surround the clasp, snug to waxed thread, with a little extra thread space Hook and eye clasp, Silver plated Waxed braided thread Unsigned Just under 21" long Turquoise focal point is about 0.5" x 0.9"