This is an authentic TIFFANY Titanium 4mm Narrow 1837 Ring size 56 or 7.5. The ring is crafted of titanium and features the engraved '1837 T&Co' logo. This is a modern ring with the classic style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.