Item #: 1589725 This is an authentic TIFFANY Sterling Silver 1837 Interlocking Circles Long Necklace. The necklace is crafted of sterling silver and features interlocking circle stations engraved with the 1837 T&Co logo. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.