- Brand Name Tiffany & Co Tiffany & Co - Model Name Atlas Necklace - Size (cm) Top height: 4.2 Top width: 1.2 Length: 46 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. SA: Clean item with little or no signs of use A: Item in good condition with little use AB: Item with some use. marks. Or scratches B: Item with scratches. Stains. And signs of use BC: Item with noticeable use. marks. Or scratches C: Item with a difficulty that is said to be junk