Veronica Beard Ceclie Black and Gold Sling Back Pumps, fits like 9 (39 / 8.5)

Size is Veronica Beard 39/8.5, but sites are advising these run half a size too big so I am listing as a 9. I am an 8.5 and these are half a size too big on me. Gently Used Veronica Beard Leather Slingback Pumps Black & Gold Colorblock Pattern Semi-Pointed Toes w/ Straps Includes Box & Dust Bag Feel free to ask any questions or make me an offer!