This is a beautiful sweater in excellent condition.  Marked MEDIUM.  Great sparkle -- doesn't come out great in the pictures.  Please be sure to check your measurements below:

Measurements:
Armpit to armpit (measured flat): 19
Length from center back to hem: 22
Shoulder to shoulder across the back: 15
Overarm from shoulder seam to cuff: 24
Underarm from armpit seam to cuff: 17

Thanks for looking and please be surety check out my other listings.  I have some wonderful clothing for sale right now IN YOUR SIZE!  Happy to combine shipping so buy more and save :). have a great day!