This is an authentic TIFFANY Sterling Silver Rubedo 1837 Interlocking Circles Pendant Necklace. The necklace is crafted of sterling silver and features intertwined silver and rubedo circle pendants on a delicate silver chain. This is a classic necklace with the signature style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.