PAPUA NEW GUINEA KINA SHELL NECKLACE,Mid-20th century. Patinated shell necklaces worn by either men or women. Kina shell necklace traditionally worn in the western highlands of Papua New Guinea as pectorals with a fiber strap. There are remnants of red paste that is used to decorate the surface and highlight the pecked border. Signs of usage. - length: 7.75 inches. Estimate $100-150