From the USA Library of Congress Bain collection; background smoothed out by gogm using Photoshop.
Dorothy Deacon's wedding dress has a square décolletage, no waistline, and a tight skirt in this photo card.
Keywords: Dorothy Deacon, Radziwill family, Princess, straight coiffure, floral headdress, veil, square décolletage, no waistline, tight skirt, train, floral bodice ornament, wedding dress