Item #: 870888 This is an authentic TIFFANY 18K Yellow Gold Small Atlas Round Medallion Pendant Necklace. This stunning necklace is 18 karat yellow gold with a round atlas pendant that hangs perfectly with a distinctive look, from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.