I removed the sepia tone and also fixed the upper left and lower right corners with Photoshop.
Wiltrud wears a good example of pre-war dress with a bouffant hairdo, over hanging bodice, neo-Empire waistline, and tight skirt.
Keywords: Wiltrud of Bavaria, Princess, Wittelsbach family, German, bouffant coiffure, ribbon headdress, elbow length sleeves, over hanging bodice, tight skirt, necklace, bracelets, stole, fur