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
Trinity Altarpiece Trinity Altarpiece The Trinity Altarpiece, also known as the Trinity Altar Panels, is a set of four paintings in oil on wood thought to have been commissioned for the Trinity College Kirk in Edinburgh, Scotland, in the late fifteenth century. The work is attributed to the Flemish artist Hugo van der Goes and probably represents the inner and outer panels of the wings of a triptych. The presumed central panel is lost. The painting in the church was described as a "burd" on 17 May 1516 when John Stewart, Duke of Albany made an offering at the high altar on