The Metropolitan Museum of Art 436504 square Giotto di Bondone possibly ca. 1320 CC0 met sacred-art portraits objects-with-gravity sacred art objects with gravity nativity christ mary joseph kings three kings angels renaissance italy gold leaf religious painting medieval devotional color palette biblical manger adoration iconography the magi Giotto di Bondone possibly ca. 1320 Tempera on wood, gold ground Paintings Religious Sacred & Devotional Faces in Time Objects with Gravity