Diptych triptych form, with two outer panels that could be closed across the main central representation. They are one type of the multi-panel forms of painting known as "polyptychs". The diptych was a common format in Early Netherlandish painting and depicted subjects ranging from secular portraiture to religious personages and stories. Often a portrait and a Madonna and Child had a leaf each. It was especially popular in the 15th and 16th centuries. Painters such as Jan van Eyck, Rogier van der Weyden, Hans Memling and Hugo van der Goes used the form. Some modern artists have used the term in
Symmachi–Nicomachi diptych important events, most often the attainment of the consulship. The diptych form, at least originally, served as a pair of covers for wax writing tablets. The work as a whole has been interpreted as a study in nostalgia. Just as the majority of the Roman world had rejected polytheism in favor of Christianity, so too it left behind the techniques of proportion and perspective that characterised the art of its forebears. ---- Symmachi–Nicomachi diptych The Symmachi–Nicomachi diptych is a book-size, Late Antique ivory diptych dating to the late fourth or early fifth century, whose panels depict scenes of ritual pagan