1960s Original Shell Art Necklace

Vintage hand made 1960s shell art necklace. The pendant is of white shells with a backing of shells. It measures 2" by 1 3/4". The necklace is brown shell with reconstituted turquoise and coral beads. Strung on fishing line and has as sloppy knot at the clasp. Necklace is 18" long. Weight:  52.1 grams. Needs cleaning. Genuine beach hippie necklace; estate fresh.