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

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.