From Wikimedia.
Queen Isabel is lavishly dressed in Romantic style with spectacular lace over-sleeves that are akin to engageantes. Lightening the image reveals she wears a wide disc-shaped hat.
Keywords: 1831, López y Portaña, Maria Isabella of the Two Sicilies, Borbón family, Borbone family, Princess, Queen, hurluberlu coiffure, bandeau, tiara, hat, off shoulder straight neckline, pleated bodice, quarter length tight under-sleeves, cuffs, lace, elbow length over-sleeves, girdle, vee waistline, full skirt, order sash, order bows, necklace, earrings, jeweled bodice ornament, gloves, fan