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
Master of the Brunswick Diptych number of other paintings have been identified as being by the same hand. The works by the Master of the Brunswick Diptych show similarities with those of Geertgen tot Sint Jans but the colours are generally lighter, his treatment of space and anatomy is less accomplished and the paintings more miniature-like. In a panel painting presently in Cologne, the master breaks new ground by depicting a domestic scene of a woman feeding a child for the first time in panel painting. Master of the Brunswick Diptych The Master of the Brunswick Diptych (fl. c. 1480-1510) was a Dutch early Renaissance