- Brand Name Tiffany & Co Tiffany & Co - Model Name Atlas Necklace - Size (cm) Top Height: 4.2 cm (1.65 in) Top Width: 1.2 cm (0.47 in) Length: 46 cm (18.11 in) Width: No. Of issues: Minimum Other Sizes: - Accessories Box - Material 925 silver About the condition (rank)** N: S: Unused items. Items on display, and items that we judge to be similar. Condition Guide: S: Like new by the store's standards SA: Almost unused, overall pristine A: Excellent condition AB: Great condition, minor signs of use B: Good condition, signs of wear from normal use C: Noticeable scratches, dirt, or signs of use D: Heavily damaged or in need of repair