Item #: 636914 This is an authentic TIFFANY 18K Yellow Gold Heart Key Pendant Necklace. This charming necklace is crafted of 18 karat gold, the pendant is in the form of a skeleton key with a heart grip with the teeth as a small 'T". A beautiful piece with the unforgettable style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.