
Christ Handing the Keys to St Peter, by Pietro Perugino (c. 1446/1450–1523). From Wikipedia.
Almighty Father, who didst inspire Simon Peter, first among the apostles, to confess Jesus as Messiah and Son of the living God: Keep thy Church stedfast upon the rock of this faith, so that in unity and peace . . . → Read More: The Confession of Saint Peter (Saint Peter’s Chair in Rome)