Guess black party dress size S

Look at the last pics. It looks like a small line in the middle when I lay it down - so it’s not in perfect condition though worn once for a Christmas party. I am in the process of Marie Kondo’ing my belongings. Things that I have not worn or looked at in 6-12 months I am listing. I am pricing things to sell that I really believe are at a value to you and not a complete loss for me (to the benefit of everyone). Feel free to ask any questions. Thanks for looking!