Item #: 858132 This is an authentic TIFFANY Sterling Silver Rubedo 1837 Circle Pendant Necklace. The necklace is crafted of Tiffany's signature Rubedo metal and features a delicate silver chain holding a rubedo metal circle pendant engraved with the 1837 logo motif. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.