Anicee Alvina in nude scene from Glissements progressifs du plaisir which was released in 1973. She shows us her tits including full frontal nudity in lesbian scene.
Also Olga Georges-Picot naked in Glissements progressifs du plaisir. We can see lesbian scene with her. So Olga Georges-Picot is not shy and she demonstrating her boobs and even full frontal nudity.
