The piece done for this is a reproduction of Page 27 of the Prayerbook of Marie de Medici titled Garden of Gethsemane.
It was cut with a period reproduction of a 16th century pen knife on vellum.
The prayerbook of Marie de Medici was given to Marie de Medici while she was queen of France from 1600-1610.
The art itself is referred to as canivet, pergamano, or parchment craft and is from the 15th century, practiced in Western Europe (England, France, Spain).
For full documentation and more photos see: https://drive.google.com/file/d/1F0-m9zUZTW1dUgQqB1u2luAHs9wtay-J/view?usp=sharing