Triumphal Arch Mosaic (c. 435): Center
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Triumphal Arch Mosaic (c. 435): Center

Detail of mosaics on the center of the triumphal arch, with inscription attributing them to Pope Sixtus III (432-40). Also depicted are Prepared Throne and the symbols of the Four Evangelists. Basilica Papale di Santa Maria Maggiore, Rome, Italy.