Image from "Shocking! The Art and Fashion of Elsa Schiaparelli", The Philadelphia Museum of Art.
This is the illustration from a fashion spread promoting the American Haute Couture in the September 1941 issue of Vogue. The dinner suit is black silk crepe and silk velvet accented with green muff, shoes and ostrich head-dress. No particular designer was credited to it. It was from the American Autumn Collection. Salon Moderne, Saks-Fifth Avenue.