Milly of New York Lola dress size 6

Milly of New York Lola dress Size: 6 Color: cream, black, gray Lined: yes Pockets: 2 Closure: back zipper Condition: there is a small mark on the back left shoulder. I am not sure if it is a defect on the material or a stain. I tried to clean it and it remained. Measurements: 16 inches flat at the chest 13 inches flat at the waist 15 inches flat at the hip 28 inches in length at the center back 38 inches in length from the shoulder to the bottom hem