Very rare Tiffany & Co onyx heart sterling silver genuine necklace, boxed

Very rare Tiffany & Co onyx heart sterling silver genuine necklace, boxed Genuine necklace Sterling silver Marked with 925 Beautiful necklace Very unique with a black onyx heart Extremely rare and hard to find In perfext conditon Would make a lovely gift Comes with the original pouch and box Will be posted with next day special delivery via Royal Mail