Vintage 14k Yellow Gold and Onyx Mariners Link Necklace 1960s

A vintage necklace comprised of 12 onyx mariners links interspersed with ribbed beads in 14k yellow gold in between two links and a gold link holding the mariners link - finished with an integrated ball clasp - marked 14k and 585 - total weight 44.1grms - wearable length 600mm - max width 17mm - c.1960 USA