DAVID YURMAN "Atlas" Sterling Silver & 18K Gold Chainmail Choker Necklace. Excellent condition. Marked with the early David Yurman "DY" mark plus "750" for 18k gold and "925" for sterling silver. Solid and weighty weighing in at 172 grams. The only part of the necklace that is gold is the "DY" logo on the clasp. Very stylish and timeless. It measures 15 3/4" long when stretched out to full length. The necklace is 1 1/4" wide.