Stock Photo: San Petronio Church, by Della Quercia Jacopo, sketch Antonio di Vincenzo, 1425 - 1436, 14th Century, . Italy: Emilia Romagna: Bologna: San Petronio Basilica. Detail. Lunette main doorway facade Madonna/Virgin Mary with Child Enthroned clothes fabric on the right St Petronius offers a model of the church on the left St Ambrose