This is an authentic TIFFANY & CO 18k Yellow Gold T Collection Necklace. This stylish necklace is full length and is 18 karat yellow gold and is set surrounded with golden “T’s.” This is an excellent necklace with the classical style only from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.