The internal part of the play represents a portrait of artist Auguste Rodin in profile at the time of the creation of the thinker. He is accompanied by his major work: the thinker. By a zoom effect, the drawing presents the very famous position of the hand under the chin of this man in full meditation.

In the lower right part the inscription "A. Rodin 1917 - 2017" and in the upper part the indication of the "RF" emitting country for the French Republic and the workshop brand.