Hi
I spotted this in the workshop of the local bike repair shop. Never seen one before so thought I would share. Not sure if it could be described as classic - in it's own way I suppose. Probably shocking quality! There are some good pictures of other examples on the link below (in French).
Enjoy
Gill
Shifter 80's style
It is one of these.
https://forum.tontonvelo.com/viewtopic.php?f=35&t=5441