Stock Photo: Proprio del tempo gradual from the first Sunday of Advent to the Saturday before Palm Sunday, by Anonymous Sienese painter , Benvenuto di Giovanni Giovanni di Meo del Guasta anonymous Sienese painter, 15th Century, illuminated manuscript. Italy, Tuscany, Siena, Osservanza basilica. Detail. Lux illuminated page score notes text verses prayer chant incipit: beginning initial letter ibis birds decoration plant volutes rinceaux blue red yellow green.