This is an authentic TIFFANY & CO Sterling Silver 18K Yellow Gold Filigree Heart Key Pendant Necklace. This beautiful necklace is a silver chain with heart pendant with a keyhole in the center. The pendant features a key charm with a one of a kind look, from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.