Thanks to the old inscription, it is possible to identify the design as that of Muziano´s lost painting, formerly in the sacristy of S. Agostino, Rome. The drawing thus preserves a visual record of the composition of this lost picture. St. Monica was the mother of three children, the eldest of whom was St. Augustine, the future Doctor of the Church. At the end of her life, she followed him to Rome
This is a copy after the fresco by Antonio Campi, datable 1560-64, in S. Paolo Converso, Milán. The late eighteenth-century Italian copyist may have been the same as was responsible for the drawing of the Mystic Marriage of St. Catherine. The entire verso of the sheet is covered with pen trials and miscellaneous scribbles. According to the Golden Legend, Patroclus fell from a ladder placed