XIR154023 Christ Pantocrator and the Madonna Enthroned with Angels and Apostles, from the central apse (mosaic) by Byzantine School, (12th century); Duomo (Cattedrale di Santa Maria Nuova), Monreale, Sicily, Italy; (add.info.: Greek inscription reading: Jesus Christ, the Pantocrator; Christ the Teacher; letters IC and XC; Christ\'s fingers represent the letters IC, X and C, thereby making the Christogram ICXC (Jesus Christ). IC represent Greek Iota and Sigma, first and last letters of Jesus. Letters XC represent Chi and Sigma, first and last letters of Christ.); out of copyright.