There are two artistic styles used on the faces of the characters. The Madonna and the angels, St. Julian, and St. Thomas have flat faces with only moderate use of light and shade. The rest have more “plastic” faces with sharply drawn on wrinkles.
Two distinct artistic approaches are employed on the characters' visages. The Madonna, angels, St. Julian, and St. Thomas exhibit flat faces with only slight lighting and shading effects. Conversely, the others feature more “plastic” faces with well-defined wrinkles.