Only recently did collectors develop an interest in personal adornments from Papua New Guinea. Such adornments reflect the variety of materials used by artists of the Sepik River area. Organic materials found locally or exchanged via trade are worked and arranged in dramatic juxtapositions. In Melanesia, men wear kapkap-concave shells with openwork tortoiseshell decoration-as breast ornaments, on the forehead, or, most commonly in the Sepik area, in the hair mounted on a pin. Here the kapkap has been mounted as a necklace.

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