Vintage Terri Petites purple polyester and velveteen maxi dress S/M

Vintage royalty. Dress is in great vintage condition. There is some staining on the bottom edge of dress from sweeping the ground when worn, as seen in image. Measurements below. I listed as S/M due to waist size 57.5” long 18” pit to pit laying flat across 15.5” waist laying flat across