Chunky Beaded necklace 21” graduated size rootbeer swirls Lucite beads & spacers

Chunky beaded necklace - probably vintage - in a super brown / black / caramel colored rootbeer swirl Lucite plastic. The beads have the look of polished amber but are synthetic and easy to wear. Approximately 21” total length - the largest beads are about 3/4-inch in diameter. No hallmarks. Gently worn - no flaws. Questions, please ask. Thanks for looking!