Keywords: Simone Martini - Orvieto Polyptych - WGA21412.jpg ca 1321 Tempera wood size 113 257 Institution Museo dell'Opera del Duomo Orvieto object history credit line accession number WGA link 21412 http //www wga hu/art/s/simone/4altars/4orvieto/10orviet jpg http //www wga hu/html/s/simone/4altars/4orvieto/10orviet html PD-old-100 painting religious Italian 1301-1350 Paintings by Simone Martini Museo dell'Opera del Duomo in Orvieto 14th-century paintings of Christian saints 14th-century paintings of Madonna and Child WGA form painting WGA type religious WGA School Italian WGA time period 1301-1350 |