In 1311 Giotto returned to Florence, A document from 1313 shows his presence in Rome, where he executed a mosaic for the façade of the old St. Peter's Basilica, commissioned by Cardinal Jacopo Stefaneschi and now lost except for some fragments. In Florence, where documents from 1314–1327 attest to his financial activities, he painted an altarpiece known as the Ognissanti Madonna and now in the Uffizi where it is famously exhibited beside Cimab...