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
Castello Roganzuolo Altarpiece the Diocesan Museum. Much of the work is irretrievably damaged and its fourth cymatium panel showing the dead Christ with angels is still lost. A copy of all four panels now stands in the church, in the original elaborate frame. Castello Roganzuolo Altarpiece The Castello Roganzuolo Altarpiece, Castello Roganzuolo Polyptych or Madonna and Child with Saint Peter and Saint Paul is a painting by Titian, commissioned in 1543 by the leading citizens of Castello Roganzuolo, Province of Treviso, Veneto, Italy. It is now in the Albino Luciani Diocesan Museum in Vittorio Veneto. The painting is a triptych with three narrow