Item #: 541085 This is an authentic TIFFANY Sterling Silver Dog Tag Pendant Necklace. This sterling silver piece commemorates the 2012 Nike Women's Marathon in San Fransisco, CA with a stylized inscription on one side and sporty imagery on the other. Suspended from a delicate silver chain, the Nike Swoosh logo is visible on either side of the dog tag. This is a beautiful necklace with a one of a kind style, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.