Chunky polygon lucite plastic and mixed beads necklace gray white vintage ll2423

This necklace is made by combining 3 large polygons of marbled gray lucite with discs of white plastic (look like buttons), fluted speckled gray round beads and small round white beads. This is a very artsy style necklace and not for the demure. It has a screw on barrel clasp and is in great vintage condition. It is 18.5 inches long.