(Click the image for an extraordinary closeup)

Georges Trubert (French, active Provence, France 1469 – 1508)
Initial J: Saint John the Evangelist, about 1480 – 1490, Tempera colors, gold leaf, gold and silver paint, and ink on parchment
Leaf: 11.4 × 8.6 cm (4 1/2 × 3 3/8 in.)
The J. Paul Getty Museum, Los Angeles