This French Diploma is a very prestigious professional qualification. It is judged every three years by a jury of professionals in this trade.
The award winners are first invited to the University of La Sorbonne in Paris to receive their medal and then, they attend a reception with the French President in the Elysée Palace in Paris.
The piece of art is imposed by the COET selecting comity (Organizing Comity for work exhibitions).

Here are some photos showing the making of this piece of art.