Southwestern Shell & Gemstone Bead Necklace with Heishi

Vintage Southwestern Pueblo beaded necklace. It is strung with brown heishi shell as well as creme colored shells, turquoise, red jasper and brown abalone shell. The shells are cut into square disk beads. 28 1/2" long by 5/8" wide. Weight: 75 grams. Sterling hand made beads near clasp. 

There are two matching necklaces from the same estate. Here they are together: