Authentic Tiffany & Co Gorgeous Large Sterling Silver Vintage 2000 ATLAS Numerical Cube Necklace. This elegant necklace is in excellent condition.  Fully engraved on the pendant:   ATLAS 2000 T & CO  925.  The large cube pendant measures .55 inch thick. It weighs a full 20.6 grams of brilliant sterling silver. It hangs from its Tiffany 18 inch curb link chain. The plates at the clasp are engraved: TIFFANY & CO  925. From a wonderful estate of fine jewelry I will be listing this week. Please look at my other interesting jewelry listed in my ebay store. Thank you.