Basilica of Saint Apollinare in Classe, wall mosaic decoration, apse, south wall: Abel, Abraham and Melchizedek Sacrificing, episodes of Genesis. In the middle, beside an altar with bread and kantharos, is depicted Melchizedek; on his right side is represented Abraham with his son Isaac and on left side is figured Abel, offering a lamb. On scene top, on the left, is depicted dextera dei.