Pictured is a detached alfresco of Saint Petronius in the chair and stories about the lives of Saint Petronius and Saint Stephen by Michele di Matteo in the Museum of the Basilica of Saint Stephen in Bologna, Italy. Saint Petronius was the 5th century bishop and patron saint of Bologna. He is often pictured holding the city in his hand. Michele di Matteo was born in 1410 and died in 1469. He was an Italian painter of the late Gothic period in Bologna.