Vintage unusual crocheted light jacket

A fabulous truly vintage piece you can dress up.or down to distinguish your wardrobe. Looks different over different colors. Excellent condition with original buttons that have crocheting over a flat core. Lapels & collar lay correctly. Long sleeve. Guessing is petite medium, but go by approx measurements; Across chest 19" shoulder seam to bottom 21 1/2" Delighted to bundle.