From arquehistoria.com/las-mujeres-y-su-evolucion-en-la-historia-18067; image "flipped" by gogm to show order sash descending from her left shoulder.
Compare Isabel II's bodice with that of the 1853 Madrazo y Kunz portrait of the condesa de Vilches.
Keywords: Isabel II, Queen, Borbón family, Spanish, Infanta Maria Isabel, straight coiffure, hair jewelry, veil, lace feathered headdress, split bodice, off shoulder scoop neckline, modesty piece, epaulettes, elbow length flared sleeves, engageantes, lace, revers, stomacher, ruching, order sash