Horenbout: Annunciation of the Shepherds, Hours of the Virgin Fol.91r British Museum


The Sforza Hours around 1490 for Bona of Savoy, widow of Galeazzo Sforza, Duke of Milan by Giovan Pietro Birago. 30 years later in 1517, Gereard Horenbout commissioned to do 16 miniatures to complete the book.