Online Shop › Tiffany & Co. Sterling Silver Oval Tag Necklace (Preowned) - 7ty1055 Image 1 of 1 Tiffany & Co. Sterling Silver Oval Tag Necklace (Preowned) - 7ty1055 $200.00 Preowned.Tiffany & Co. Sterling Silver Oval Tag Necklace. Add To Cart Added! Preowned.Tiffany & Co. Sterling Silver Oval Tag Necklace.