C. 1980. Sleek, buttery, radiant. From our Estate collection, this must-have 14kt yellow gold serpentine-chain necklace features close-knit,… C. 1980. Sleek, buttery, radiant. From our Estate collection, this must-have 14kt yellow gold serpentine-chain necklace features close-knit, flat S-links that reflect liquid shine whether worn solo or layered. Springring clasp, 14kt yellow gold serpentine-chain necklace. Exclusive, one-of-a-kind Estate Jewelry.