Portrait Diptych of Dürer's Parents work of Dürer"—led Brand Philip to conclude that Albrecht's panel was likely sold individually as the more accomplished and marketable of the two. The attribution is widely accepted today. In 2013 Stephan Kemperdick noted the sophistication of the Nuremberg portrait and that its three-dimensional modeling of the head displays a level of skill beyond Wolgemut and his circle. The two panels were reunited in 2012 during a Dürer exhibition in Nuremberg having been separated since sometime between 1588 and 1628. Portrait Diptych of Dürer's Parents Portrait Diptych of Dürer's Parents (or Dürer's Parents with Rosaries) is the collective name for
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