Guariento di Arpo, Coronation of the Virgin Altarpiece
Tempera and gold leaf on panel
Norton Simon Museum, Pasadena, California
As is common in this period, the angel of the Annunciation in the upper register is separated from the Virgin. Her crossed-arms gesture is repeated in the central image of the coronation. Her bright blue mantle is also repeated in all the panels' representations of her and of Jesus.
Here are the subjects of the 26 panels (you can follow the underlined links for further commentary):
Along the top
The altarpiece is discussed in Norman, 211-12. She notes that the frame is from the 19th century and that the original altarpiece may have been larger and organized differently:
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Read more about images of the Coronation of the Virgin.
Read more about medieval and Renaissance altarpieces.
Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.