Piero della Francesca, Portraits of the Duke and Duchess of Urbino, 1467-72

More free lessons at: http://www.khanacademy.org/video?v=XIkryXkz8a4 Piero della Francesca, Portraits of the Duke and Duchess of Urbino, Federico da Montefeltro and Battista Sforza, 1467-72, tempera on panel, 47 x 33 cm (Galleria degli Uffizi, Florence) View this work up close on the Google Art Project: http://www.googleartproject.com/collection/uffizi-gallery/artwork/portraits-of-the-duke-and-duchess-of-urbino-federico-da-montefeltro-and-battista-sforza-piero-della-francesca/320500/ http://www.googleartproject.com/collection/uffizi-gallery/artwork/portraits-of-the-duke-and-duchessof-urbino-federico-da-montefeltro-and-battista-sforza-piero-della-francesca/331458/