Art Deco 15K gold Filigree Navarrete shape fancy link necklace

One mid century rare 15K yellow gold ornate necklace, it has Navarette shaped link, scroll filigree etching, fine and delicate in detail. Snape on oval hook clasp. 17" long, weight 7.4gm, no hallmark, tested for 15K (tested with XRF electronic tester)