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
Burg Weiler Altarpiece of Trier, Saint Apollonia, Saint Barbara, Catherine of Alexandria, Lawrence of Rome, Saint Sebastian, Saint Maurice, and an angel. Burg Weiler Altarpiece The Burg Weiler Altar Triptych (Altarpiece with the Virgin and Child and Saints) or Master of the Burg Weiler Altar is a 1470 religious painting. It is in the collection of the Metropolitan Museum of Art. The altarpiece is Middle Rhenish, made in North Württemberg (now Baden-Württemberg). It was originally in the chapel of the castle of Burg Weiler near Heilbronn. The triptych is oil on wood of three parts, with gold ground. The left and right panels