From unipa.it/tecla/contenuti/pdf/rivista8_montaggio/brevetti/foto%20articolo%20Brevetti/ (go to slide 14); enlarged by half.
Maria Isabel wears a gorgeous gold-adorned apron above a skirt trimmed with rouleaux in this 1829 portrait. Rouleaux appear in fashion plates from the era, but rarely in images on this site.
Keywords: 1829, de Franco, Maria Isabella of the Two Sicilies, Borbón family, Borbone family, Princess, Queen, curly coiffure, tiara, jeweled floral headdress, lace veil, square neckline, modesty piece, quarter length full sleeves, cuffs, natural high waistline, waist band, train, apron, close skirt, rouleaux, maxi-length skirt, gloves, shoes, order sash, necklace, earrings, fan, regalia