Vintage necklace Marvella white beads necklace gold tone

Vintage necklace with white ball beads spaced with little gold tone beads. The clasp is signed PAT 537985, a patent number of Marvella, though it's not signed Marvella. The white beads are made of some type of plastic that has a nice weighty feel. It's in very good preowned condition with minor wear. Measures about 25" long. Ships fast! CAR898TN5F4W