Item #: 1385311 This is an authentic TIFFANY Sterling Silver 18K Yellow Gold 1837 Interlocking Circles Pendant Necklace. The necklace is crafted of 18-karat yellow gold and sterling silver into two interlocking rings engraved with the signature '1837 T&Co' logo connected by a fine sterling silver chain. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.