Pastel, 36,5 x 29,5 cm, unopened. - After Guido Reni. - Portrait-, historical- a. frescoespainter, educated by his father Ismael Mengs, studied the paintings of Raffael in Rome, since 1745 saxon court painter, gone around with the art historian J J. Winckelmann, pseudo-classical style with religious or antique motifs. - Mus.: London, Mailand, Bologna, Berlin, Hamburg, Dresden et.al.- Lit.: Thieme-Becker, Bénézit.