3 images to add to the Bernardet directory :
in the movie Sagan, by Diane Krurys,
http://www.imcdb.org/movie.php?id=1052353

here is 3 screen captures of a black Bernardet Y52 scooter

1. passing behind the 2 actresses

2. parked on the corner of Place des Pyramides in Paris, when Sagan arrives with a convertible Jaguar

3. parked on the side of the street, in front of supposed Sagan's apartment.