Item #: 690840 This is an authentic TIFFANY Sterling Silver 1837 Circle Clasp Necklace. This necklace is crafted of round sterling silver chain links that hold an interlocking circle clasp 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.