This is an authentic TIFFANY & CO Rubedo Metal 1837 Ring 9.25. This is a stunning ring that is beautifully crafted of plated metal with a 1837 stmping. This is a marvelous ring for a look of distinction only from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.