Vintage XOXO silky black long sleeve blouse

Such a perfect closet staple, wish it fit me so badly 💔 - Silky collar and inside lining (not silk but looks and feels like it) - Keyhole with button closure on back - Flares out a little below waist, really flattering! Brand: XOXO In America and Abroad Material: 50% rayon, 50% acetate (made in USA) Size: Marked a medium but it's vintage so fits more like a small (check measurements) In excellent vintage condition Measurements taken flat: 18" ptp, 16" sts, 22" length, 24" sleeve from shoulder seam