This is an authentic TIFFANY 18K Rose Gold Twist Oval Key Pendant Necklace. This charming pendant is 18 karat rose gold in the form of a textured skeleton key. 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.