For 10 points, name this polyptych altarpiece by Hubert and Jan van Eyck.
A design featuring pelicans and grape vines in this painting is situated above text that says "Youth without age on his forehead" on a step behind a crown. Popes Martin V and Gregory VII and the Antipope Alexander V are seen together in a crowd in this painting beneath John the Baptist holding a book. Depictions of John the Baptist and John the Evangelist in grisaille ("griz-EYE") are located below two empty panels separating Gabriel and Mary in this painting's Annunciation, which is located above a portrait of its patron, Jodocus Vijd ("yo-DOH-cuss FATE"), on its closed view. In this painting, Adam is positioned above a replacement for a stolen panel depicting the Just Judges, who are witnessing the title "Adoration of the Mystic Lamb." For 10 points, name this polyptych altarpiece by Hubert and Jan van Eyck.
A design featuring pelicans and grape vines in this painting is situated above text that says "Youth without age on his forehead" on a step behind a crown.
Ghent Altarpiece [accept The Adoration of the Mystic Lamb or Het Lam Gods until “adoration” is read] &lt;Painting/Sculpture&gt;