Imperial diptych Imperial diptych In Late Antiquity, an imperial diptych is a theoretical type of ivory diptych, made up of two leaves of five panels each and each with a central panel representing the emperor or empress. They are so-named in contrast to consular diptychs. They were produced as unique examples, whereas each consular diptych was produced in large numbers to offer to the emperor on certain occasions, principally a nobleman's entry to the consulship. No complete example of an imperial diptych survives and so their existence is contested. The ivories specialist R. Delbrück has theorised that the 19 surviving fragments of
Barbadori Altarpiece Lippi, identified as the young monk behind the balustrade. The work was originally accompanied by a predella, which was returned to Florence after the fall of Napoleon and is now housed in the Uffizi Gallery in Florence. It includes three panels depicting "San Frediano Changing the Course of the Serchio", an "Annunciation of the Virgin's Death" and the "Apparition of the Holy Ghost to St. Augustine" Barbadori Altarpiece The Barbadori Altarpiece is a painting by Filippo Lippi, dated to 1438 and housed in the Louvre Museum of Paris. Gherardo di Bartolomeo Barbadori, who died childless in 1429, left his heritage