St. Vitale Church, Ravenna, Italy. Apse, mosaic. Early sixth century. Jesus Pantocrator.
See Saving Paradise, 86, 111-113, 216, 217, 310.
“He is the image of the invisible God, the first-born of all creation; in him all things hold together. He is the head of the body, the church; he is the beginning, the first-born from the dead.” [Colossians 1:15-18]