The Art of Illumination

Belles Heures of Jean de France, duc de Berry, 1405–1408/9. Herman, Paul, and Jean de Limbourg (Franco-Netherlandish, active in France by 1399–1416). French; Made in Paris. Ink, tempera, and gold leaf on vellum; 9 3/8 x 6 5/8 in. (23.8 x 16.8 cm). The Metropolitan Museum of Art, New York, The Cloisters Collection, 1954 (54.1.1).

Mass for Trinity Sunday
Throne of Grace or Trinity, Folio 204r

God the Father is seated on a throne made of cloud as he holds Christ on the Cross, while the Dove of the Holy Spirit hovers between their heads. A brilliant burst of orange-red seraphim forms a second halo around the head of the Father.