Maria Bonaparte appears to be wearing suspenders over her blouson skirt in this photo; but they look like part of an bodice.
Keywords: Marie Bonaparte, Μαρία Βοναπάρτη, Princess Marie of Greece and Denmark, Princess Giorgios of Greece, Bonaparte family, Glucksberg family, Princess, wavy coiffure, blouse, high neckline, lace, blouson bodice, elbow length close sleeves, over-bodices, elbow length full over-sleeves, elbow lngth close under-sleeves, tight cuffs, waist band, natural high waistline, close skirt