This is an authentic TIFFANY Sterling Silver 10mm HardWear Earrings. These stylish stud earrings are crafted of sterling silver in the form of a 10mm ball. These are a beautiful pair of earrings with a distinctive look only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.