Year: 1980 This is an authentic TIFFANY 18K Yellow Gold Malachite Bead Necklace. The necklace is crafted of individually knotted polished round malachite beads and features an 18k yellow gold hook closure. This is a chic necklace with the classic style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.