Rust!!!!!

blast the rust out and do the repair correctly. this is the factory joint where the Q/P and roof meet up. just looking i would say this car had a vinyl top. thus the plastic. non V/T cars got lead in this seam. of course the car may have gotten a Q/P at a dealer or other body shop and they may have done this, who knows? any questions on how to repair will get results here.WE CAN HELP.