Duke Francis I of Brittany had an illustration of his first wife painted over in a 15th century manuscript with a picture of his new bride, a new study shows.
The duke made the alteration in Hours of Isabella Stuart, a book of hours, a Christian devotional book popular in the Middle Ages that was completed by 1431.
Researchers at the University of Cambridge used non-invasive analytical techniques to identify pigments and reveal sketches beneath the paintings.
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THE HOURS OF ISABELLA STUART
The 15th century manuscript is a book of hours, an illustrated prayer book commissioned by the wealthy, and is called The Hours Of Isabella Stuart.