Item #: 1874354 This is an authentic TIFFANY Sterling Silver Black Onyx Bead Necklace. The necklace is crafted of sterling silver and features an alternating strand of silver and polished black onyx beads. PLEASE NOTE: The chain has been repaired by a black thread at the end of the necklace, by the lobster clasp. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.