Tee: Billie eilish rare dbl sided music shirt med

Label: says med made in china, but measurements are typical of an large. 95% polyester 5% spandex Bought used but in great shape. There is a tiny flaw in the front..not a hole…more like a sewing imperfection maybe? I have no idea who made this or when. I can’t find anything like it online Armpit to armpit: 22” Shoulder to bottom: 29”