Here is a CAMROSE & KROSS Jacqueline Bouvier Kennedy Gold Plated Link Necklace.  Feature large links in matte gold finish.  Measures: 19" long including 1" extender link that is removeable.  Nice quality and has a bit of weight.  In great condition!  Hardly any finish wear.  Only saw a couple tiny, tiny spots by clasp; see pic.  Gold is bright.  Clasps fasten fine and are secure.  Marked: JBK.  Comes in Camrose & Kross presentation box and a few papers.