Balenciaga halter style top

Balenciaga size 38. A light greenish backdrop with black white and gray abstract floral design. Has a faux lace up detail on the front and a half back zipper. Has an angled hem in the back. 100% silk with a neoprene like attached lining. I don’t know if this is new but I have never worn it. No signs of wear. Approx measurements are pit to pit 35.5” length 20.5” front and 23.5” in back at widest point towards hip area is 40” Hard to find on market but one available shown in last pic asking just under $1k