Stunning Black Shell Necklace & Earring set

A friend from a Shasta Pomo tribe made this gorgeous beaded necklace set. Three strands of black polished oval shells beads and complementary grey color glass beads. No clasp- all one piece that easily fits over the head. 28 inches in length. 66 gram weight. Matching three drop earrings with stainless steel French wire backs. Excellent condition. Made in the late 1990s.