In Le Beau Sexe she performed a blowjob and clear visuals of penetration that caused outrage in France.
Next, we see Marie completely naked leaning against a wall and masturbating.
I don't think she was big enough star to hire a body double for in an erotic film where she clearly was willing to show pretty much everything else.
But then again it could just be another shot.
Higher quality than our previous post of this scene.