Vince Semi Sheer Short Sleeve V-Neck Top - No size tag!

This black Vince. top is in great preloved condition. ***It is missing a size and care tag - I am listing as a medium but I am unsure - please see measurements below*** It is fairly sheer so you will probably want to layer It is light and breezy knit material Rolled hem around the neck There are no stains or hole and this top is from a smoke free home Laying flat armpit to armpit measures approximately 20” Center back length is approximately 23” top to bottom If you need any other measurements please let me know!