There are a couple of very small marks on the dress (photos available on request) and some stress to the waist seam. (thedressedaesthetic.com)
You'll notice small marks of black, white, brown, or green growth. (greenresidential.com)
The scale of his work has also played a part; the reputation of Abstract Expressionism was tied to that great American value that bigger is better — in terms both of scale of works and gesture, yet until his last decade (with a group of large paintings exhibited here for the first time) Lewis primarily produced easel paintings created with small marks. (theartblog.org)