Vintage 80s 90s Cropped Blazer with Chain

Vintage 80s 90s Rafferty Red Cropped Blazer with Chain. Faux chest pocket, single button enclosure, single stitch, 100% cotton. Very small spot on the front (pics). Size 15 but it's vintage, seems to run like an XL. Flat measurements approximately pit to pit 22.5 inches shoulder to hem 18 inches