Marina de Graaf, Kitty Courbois are nude in the movie “Het debuut” which was released in 1977. The actresses demonstrate nude breasts, bushes, butts including full frontal nudity in this clip. Also you can see several erotic and sex scenes with these sexy babes.
She was just 16 at the time of shooting
Ahhh
According to Imdb, it was filmed December 1976 - February 1977, so she was 17.