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Osservanza Master. Pala dell'Osservanza Madonna col Bambino Ambrogio Girolamo. Siena Basilica dell'Osservanza. Artwork it Pala dell'Osservanza Madonna col Bambino Ambrogio Girolamo Convento dell'Osservanza Siena Da Jacopo della Quercia Donatello exh PDArt Uploaded with Osservanza Master DEFAULTSORT Osservanza Master Pala