Item #: 1813354 This is an authentic TIFFANY Sterling Silver Black Onyx Ziegfeld Oval Pendant Necklace. The necklace is crafted of sterling silver and features a ball chain holding an oval pendant bezel-set with an oval shaped black onyx, faceted on both sides. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.