Item #: 174247 This is an authentic TIFFANY & CO 18K Rose Gold Atlas Key Pendant Necklace. This charming pendant is 18 karat rose gold in the form of a skeleton key with a Roman numerals. This is a charming piece with the unforgettable style of Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.