Item #: 757052 This is an authentic TIFFANY Sterling Silver 18K Yellow Gold 1837 Interlocking Circles Pendant Necklace. The necklace is crafted of sterling silver and features two interlocking sterling silver and 18k yellow gold rings engraved with the signature '1837 T&Co' logo. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.