Your search for "master pfullendorf altar" revealed the following:

The Birth of Mary by Master Pfullendorf Altar - Art Print

The Adoration of Jesus by Master Trebon Altarpiece - Art Print

Darmstadt Altarpiece: Constantine and His Mother Helena Venerating the True Cross by Unknown (2) Masters - Art Print

St Nicholas Altarpiece (central panel) by Master lucy Legend - Art Print

Wings of an Altarpiece by Master joseph Legend - Art Print

Ursula with her Parents at the Altar by Painters (2) Masters - Art Print