Subleyras, Pierre (1699-1749); French. Medium: oil on canvas. Date: 18th Century. La messe de Saint Basile; Roman Emperor Flavius Julius Valens (328-78) fainting whilst watching Saint Basil the Great (ca. 330-379), archbishop of Caesarea, celebrate the Feast of Epiphany; the Arian Valens came to visit Basil with his retinue after his failure to banish the refractory bishop; oil study for a painting commissioned by Pope Benedict XIV for St. Peter's in Rome (today Santa Maria degli Angeli); Provenance: Louvre, Paris, France / Giraudon. Photographic Rights The Bridgeman Art Library.