Sigismondo Caula (Modena, 1637 - 1724) SAINT CHARLES BORROMEO ADORING AN IMAGE OF THE BIRTH ON THE VIRGIN black chalk, pen, brown ink and wash heightened with white, 500x328 mm on the recto, lower right, pen and brown ink: "Caula II St. Charles Painting in the Church of St. Charles Rotondo". SAINT CARLO BORROMEO ADORING AN IMAGE OF THE VIRGIN BIRTH black pencil, pen, brown ink, bister and white lead, 500x328 mm on the recto, bottom right, in pen and brown ink: 'Caula II San Carlo Pittura nella chiesa detta di S. Carlo Rotondo' (Painting in the church of St. Charles Round)