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
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