Lower panel - Christ Calling the Fishermen
Upper panel - Angels Playing Lute and Cymbals)

Upper left: James; Lower left (with beard): Peter; Beardless apostle: John

Luke 5:
10 And so was also
James, and John, the sons of Zebedee, which were partners with Simon [Peter]. And Jesus said unto Simon, Fear not; from henceforth thou shalt catch men.

11 And when they had brought their ships to land, they forsook all, and followed him.

LARGER SIZE beneath top photo)