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StBasilalt. en Altar of Saint Basil in Basilica of Peter at Vatican The painting that served as the cartoon for this altarpiece was commissioned from Pierre Subleyras and the mosaic was made from to by Guglielmo Paleat Giuseppe Ottaviani Enroco Enuo and Nicolo Onofri Under the altar tomb of Saint Josaphat Kuntsewycz saintpetersbasilica