LSE4314019 Self-portrait of Pope Leon XIII (1810-1903, elected pope in 1878) in a camerier?'s dress (Laic officer of the papal chamber). Photography around 1886 by Paul Emile Theodore Ducos (1849-1913). by Ducos, Paul Emile Theodore (1849-1913); Private Collection; (add.info.: Self-portrait of Pope Leon XIII (1810-1903, elected pope in 1878) in a camerier?'s dress (Laic officer of the papal chamber). Photography around 1886 by Paul Emile Theodore Ducos (1849-1913).); Photo ?? Leonard de Selva.