Authentic Gucci A-line classic dress

39 in. long, 32 in. bust, 28 in. waist, 32 in. hips, stretchable, with open front and hidden 4 buttons, one long lace on each side to tighten waist, 21,5 in. hidden zipper in the back. Perfect condition. Lost one button. Pls ask all questions prior to offer.