NWT Anthropologie Porridge Puff-Sleeve Open Back Floral Mini Dress Size M

NWT Anthropologie Porridge Puff-Sleeve Open Back Mini Dress, size M. Comes with extra button. Details: Sheer sleeves Button closure at neck Cut-out back Ruffle details There are two thread lines on the back skirt that are faint (see photos). Also, there’s a dot like discoloration in a few areas which I think is part of the fabric since it’s in more than one place (see photo as example). Please let me know if you need any measurements!