Item #: 456173 This is an authentic TIFFANY 18K Yellow Gold Mini Signature X Pendant Necklace. The necklace is crafted of an 18 karat yellow gold chain that holds an X motif pendant. This is an beautiful necklace with the iconic look only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.