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
Fano Altarpiece the portico and the oval in a valley. Fano Altarpiece The Fano Altarpiece is a painting by the Italian Renaissance artist Pietro Perugino, executed in 1497, and housed in the church of Santa Maria Nuova, Fano, central Italy. It also includes a lunette with a "Pietà" and several predella panels. Perugino had already painted an "Annunciation" in 1488-1490. Several scholars have supposed that a young Raphael collaborated on the predella. The Madonna is portrayed on a luminous landscape of hills, on a high throne; in front of her is a pedestal with, on it, a mystic vase, and featuring the