Yaacov Agam Kinetic necklace. The 18″ 18k yellow gold hinged neckwire with a 3 1/4″ x 1 3/4″ 18k gold wire pendant cocnsisting of 5 separate pieces making a concentric circle motif. Each piece with french marks and makers mark . Signed Agam, Edition 8/9. Great style and movement. A Chic and wearable artist jewel.