Item #: 356560 This is an authentic TIFFANY Sterling Silver 1837 Interlocking Circles Pendant Necklace. This beautiful necklace is crafted of Sterling Silver with two interlocking circle pendants. This is a stunning necklace by Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.