Item #: 588388 This is an authentic TIFFANY Sterling Silver Return To Tiffany Heart Key Pendant Necklace. The necklace is crafted of sterling silver and features a large heart key pendant. This is a stunning necklace with a distinctive look, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.