Miou-Miou in nude scene from Les valseuses which was released in 1974. She shows us her tits, and bush including full frontal nudity.
Also Brigitte Fossey naked in Les valseuses. We can see sex scene with her. So Brigitte Fossey is not shy and she demonstrating her boobs.
In addition there is sex scene with nude Isabelle Huppert. Thanks to Isabelle Huppert for her tits, full frontal and other sexy shots in that video.
And not forgetting about Jeanne Moreau and which also take part in the movie.