Prada black ombré Mary Jane heels

Prada black to silver gray ombré Mary Jane heels, size 11. Purchased from Saks 5th Ave (purchase receipt in first photo). Shoes are in like new condition, only worn once or twice. Small scuff mark on the inside of the left shoe by the toe, see detail photo. Comes with original box. Non smoking and pet free house. Approx heel height: 4”