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
Imperial Guard (Warhammer 40,000) Imperium's naval and ground forces are kept strictly separate such that a mutinous general will not have access to an integrated military machine. That was not the case with the pre-Horus Heresy Imperial Army, which had no such strict distinction, resulted in Horus acquiring a powerful fleet in addition to his vast ground forces. Many regiments of the Imperial Guard do not adhere to the standard Cadian style of warfare displayed on the tabletop. Although Cadian-style regiments are the most common due to Cadians being the poster boys of the Imperial Guard, some regiments from other worlds specialize in other