Ambrogio Lorenzetti, Effects of Good Government in the City, fresco, Palazzo Pubblico, Siena, Italy, 1338-1339
central panel of the Maestà altarpiece, from Siena Cathedral, Duccio di Buoninsegna, Virgin and Child enthoned with saints and angels, central panel of the Maestà altarpiece, from Siena Cathedral, tempera and gold leaf on wood, 1308-1311
Simone Martini and Lippo Memmi, Annunciation, tempera and gold leaf on wood, 1333
Pietro Lorenzetti, Birth of the Virgin, tempera and gold leaf on wood, 1342
Nicola Pisano, pulpit, Pisa Baptistery, Pisa, Italy, marble,1259-1260