I'm in pursuit of a good quality French frame from the 70s or early 80s. My idea is to build one up with modern components, so I'm not looking for one in pristine original condition as I'm not going to be the one to dismantle a beautiful classic bike. So, I'm looking for something where either the parts aren't salvageable, or are missing, or a bike with a good frame but poor quality parts.
One contender is this Jeunet Franche-Comte. The fork and seatstays have rust, I can't tell how significant. The rims appear to be steel based on they are covered in rust. And the cranks appear to be cottered. According to theClassic Rendezvous Jeunet page
some very nice bikes were made under this model name. However, I'm thinking this is a lower end model, possibly a 620. If the difference between this bike and the higher end bikes was only in the parts, then this doesn't matter to me at all and in fact would make the bike better suited for my planned upgrades. However, I would only proceed if the tubing is high quality, say 531 double butted, and that rust hasn't already destroyed it. Ideas anyone?