From the Universidad de Navarra.
This photo was taken in 1856 or some time in the next decade, based on the Duchess of Fernán Nuñez' dome-shaped cage crinoline.
Keywords: 3ª Duquesa de Fernán Núñez, Duchess, Spanish, straight coiffure, high neckline, long full sleeves, crinoline, gloves, shawl, lace