* 100% AUTHENTIC* YES, 100% real and beautifully made by Tiffany & Co! Stamped on clasp! AG925 is a stamp used by Tiffany to indicate that their silver designs are 92.5% pure silver. The mark also symbolizes the quality and craftsmanship for which Tiffany is known rare* Tiffany & Co. 18K Gold & Sterling Dainty 3-Key Necklace on 16" Chain w/Pouch Beautiful, rare, authentic Tiffany & Co. Three-Key Pendant Necklace Features a delicate round link sterling silver chain with three keys: Heart key is 18K pink gold, Oval key is sterling, Crown key is 18K gold Each key measures approx. 3/4" long The chain is 18" Piece at clasp is marked "AG 925 AU 750" and "Tiffany & Co." Clasp is marked "925" Comes with Tiffany flap pouch and box! Unique pairing and very Dainty!! * GREAT CONDITION* Silver has some tarnishing needs a good cleaning! Exclusive, not many made! VERY RARE! Thank you for stopping by!! MAKE a RESPECTFUL OFFER if you like it!!