Imperial diptych offerings to the emperor. However, the fact that the Barberini ivory was almost certainly not a diptych, but some kind of imperial icon without a second panel is a serious argument against the existence of the imperial diptych type. The two panels representing the empress Ariadne, in the Bargello in Florence and the Kunsthistorisches Museum in Vienna, also belong to the hypothesied imperial diptych type. They are the only central panels of such a diptych (other than the Barberini ivory) to survive, since all other fragments of such diptychs are from side panels. Imperial diptych In Late Antiquity, an imperial
Death of the Virgin Mary of Košátky broader circle of paintings executed in a similar way, such as the Vyšší Brod Altarpiece, the Kaufmann Crucifixion and the panels of the Morgan Collection (the "Small Morgan Panels"). The panel was probably originally the wing of a diptych, the second part of which was the Wrocław Holy Trinity. In the quality of its execution, the picture ranks among the finest known works dating from the 14th century. It is at the same time the most Italian work of the entire Bohemian school. The construction of space reveals that the artist was acquainted with the central Italian painting of Siena