10K isnt out of line for a non-numbers matching FGF coupe. However, given the fact that the paint is dull and from what you say has had "some" body work (thus implying it needs more) would lead me to agree with Bjorn. If the car was free of rust, mechanical issues, electrical issues, looked good (ie paint, rims, engine detail, undercarriage, etc...) and was peppy,,, then I would say 10K is a deal. Get it painted and see if people leave If they do then you have other issues
Not everyone is out for a #'s matching FGF. Done right, the car can bring more than a #'s matching car.