Tiffany & Co Yellow Gold Key Heart Necklace Super fun Y2K style yellow gold key heart necklace, on its original yellow gold "ball" chain. Comes with the original Tiffany Blue box, original Tiffany Blue dust/travel bag, and original Tiffany monogrammed padded jewelry box. This necklace is in great condition and was only worn a handful of times. Please see the photos! I am happy to answer any questions and am open to reasonable offers.