The Maestà, or Maestà of Duccio, is an altarpiece composed of many individual paintings commissioned by the city of Siena in Tuscany in 1308 from the artist Duccio di Buoninsegna and is his major work. From Wikipedia
A new exhibition highlights the 14th-century innovations of Duccio and his Sienese contemporaries, redefining medieval painting and narrative art.