A richly detailed devotional painting by Jacob Cornelisz. van Oostsanen depicting the legendary vision of Pope Gregory the Great, in which Christ appeared as the Man of Sorrows upon the altar during Mass. The composition showcases Van Oostsanen's characteristic precision and vibrant use of color, with figures rendered in the meticulous Netherlandish tradition. Sacred symbols and intricate details fill the panel, reflecting the period's deep engagement with religious narrative and the power of miraculous vision in late medieval piety.