María Cristina de Borbón-Dos Sicilias, Reina de España, detail, by Vicente López y Portaña, 1830.
http://www.getty.edu/art/collection/artists/12943/vicente-lpez-y-portaa-spanish-1772-1850/
https://en.wikipedia.org/wiki/Maria_Christina_of_the_Two_Sicilies