This is an authentic pair of TIFFANY Sterling Silver Black Onyx 10mm Ziegfeld Earrings. These earrings crafted of an 10mm black onyx stone set with a sterling silver post. These are exquisite earrings for a one of a kind look only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.