This is an authentic TIFFANY Sterling Silver HardWear Graduated Ball Necklace. It is made of sterling silver and has silver graduated beads (6-11mm). This is an exquisite necklace for a one of a kind look, from Tiffany & co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.