Women’s Vintage 80’s Brainstorm Mock Neck Sweater size Large geometric boxy

Vintage 80’s chunky knit sweater from Brainstorm brand. The sweater has a mock neck and a geometric design. It has a boxy fit and is 100% cotton. The sweater has some brown discoloration on the collar. It looks like makeup transfer. I haven’t attempted to remove the staining and am pricing accordingly. Size large Measurements Armpit to armpit - 24 inches Length- 21 inches