Master of the Stauffenberg Altarpiece the outer panels next to a Crucifixion and have been identified by their coats of arms. When opened the Stauffenberg altarpiece shows, from left to right, the Annunciation, the Descent from the Cross and the Nativity — two joys of Mary framing one of her sorrows. It was kept in the Monastery of St. Anthony in Isenheim near Colmar for which Matthias Grünewald subsequently painted his Isenheim Altarpiece. Master of the Stauffenberg Altarpiece The Master of the Stauffenberg Altarpiece () is a 15th-century Anonymous Master from Alsace or nearby who was stylistically influenced by Rogier van der Weyden. His name
Saint Peter Martyr Altarpiece testimony) also mention a second altarpiece by the artist in the same church, also dating to 1476, now known as the "Saint Peter Martyr Altarpiece"'. It is therefore theorised that the altarpieces were both dismantled during rebuilding of the church in 1776, then sold to the antiquarian Grossi who sold all the panels separately and grouped some of them into the altarpiece that Cardinal Zelada bought from him. Federico Zeri and Rodolfo Pallucchini then joined the altarpieces together, initially referring to the first (the high altarpiece), the "Pietà" in the Metropolitan Museum, and then to the "Madonna" in the Museum