Stock Photo: St Michael the Archangel, St Bartholomew and St Francis, by Lorenzetti Pietro, 1345, 14th Century, fresco. Italy, Tuscany, Castiglione del Bosco, Montalcino, Siena, San Michele Chapel. Whole artwork. St Michael Archangel St Bartholomew St Francis saints round arches center cuirass dragon shield lance: spear halos: aureoles cloak: mantle draping: drapery habit: tunic red brown grey yellow light blue: azure.