The necklace is a retired piece and no longer made by Tiffany & Co. An authentic Tiffany & Co. sterling silver 105 grams 16 1/2" Pebble oval link necklace marked Tiffany & Co. 925 Italy. Each solid pebble is 1/2" by 3/4". The lobster claw clasp closure is sturdy and well made, the links are large and soldered smoothly in the joints. Ready to wear, it will come in a Tiffany pouch and box. Will make a perfect gift or a great addition to a jewelry collection. Necklace was just professionally cleaned Piece is beautiful!