Pretty sure those fancy head tube lugs were reserved for the higher-end models.

But anyway, enjoy the rabbit hole and if you can't read French, use a browser like Chrome that natively supports full-page translation: https://anciensveloslyonnais.weebly....el-follis.html

Meanwhile if you wanted to peek at some others, here's a couple examples albeit, in the ballpark of your year:

Here's a '53 mixte, quite different: https://restoringvintagebicycles.com...3-follis-650b/

Similar model, non-mixte: https://pvcycling.wordpress.com/2017...just-one-bike/