This is an authentic TIFFANY & CO 18K Yellow Gold Petals Key Pendant Necklace. This stylish necklace is composed of a 18k yellow gold chain and an 18-karat yellow gold key-shaped pendant. Indulge in this lovely necklace with the timeless style of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.