Carol Dauplaise Faux Pearls Necklace 31.5" Multi Strand Statement Patent 3427691

No issues seen, gorgeous piece 

31.5" In length 

Carol Dauplaise designed high-end Modern fashion jewelry until her death in 2016. Patent # 3427691 was granted in 1969 when James R Johnson invented the slide clasp, but it wasn't used until 1975 in Haskel jewelry, and was discontinued in 1985.