Giant clam shell wealth rings created by artisans at the coast, this example which may be tied to a necklace for dancing came from the Bibira/Safia distric of Oro Province - several days walk from the coast at Wanigela. When missionaries arrived at Wanigela on Collingwood Bay in the late nineteenth century, the mountain people from Safia/Babira were still raiding and terrorizing the coastal people at Wanigela, Oro Province, PNG.