This is an authentic TIFFANY Sterling Silver Titanium 1837 Band Ring size 51 or 5.75. The ring is crafted of black titanium and features the engraved '1837' logo through the center of the concave band. PLEASE NOTE: This ring cannot be sized. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.