The Très Riches Heures du Duc de Berry (French pronunciation: ​[tʁɛ ʁiʃz‿œʁ dy dyk də beʁi]; English: The Very Rich Hours of the Duke of Berry) or Très Riches Heures, is the most famous and possibly the best surviving example of manuscript illumination in the late phase of the International Gothic style. It is a book of hours: a collection of prayers to be said at the canonical hours. It was created between c. 1412 and 1416 for the extravagant royal bibliophile and patron John, Duke of Berry, by the Limbourg brothers. When the three painters and their sponsor died in 1416, possibly victims of plague, the manuscript was left unfinished. It was further embellished in the 1440s by an anonymous painter, who many art historians believe was Barthélemy d'Eyck. In 1485–1489, it was brought to its