Stock Photo: Blessed Agostino Novello Altarpiece, by Martini Simone, 1325 - 1328, 14th Century, tempera on panel. Italy, Tuscany, Siena, National Gallery of Art. Whole artwork. Triptych angels episodes Blessed Augustine Novello buildings plants tondos: tondi castle hills rocks gold black gray pink dark: brown shades: hues: tones red.