From Wikimedia; some spots removed in background with Photoshop by gogm.
This is a good example of casual dress, right down to plaid fabric and an apron. She wears either a partlet or a lace scarf and sawtooth-edged bertha for decoration.
Keywords: 1838, Cabral Bejarano, Marquesa de Arco, hurluberlu coiffure, bun, scarf, lace, off shoulder scoop neckline, bertha, elbow length full sleeves, bows, natural waistline, full skirt, apron