Simone Martini 1333 Tempera on wood, 184 x 210 cm Originally, the altarpiece for the chapel of Sant'Ansano of the Cathedral in Siena. Galleria degli Uffizi, Florence
The two saints are Saint Ansano - patron of Siena - and Saint Giulitta. Their figures are attributed to Martini's brother-in-law Lippo Memmi.