Being obvious the car is far from original does remove "full" market value. Thus being modified makes the absense of fender tag and build sheet somewhat less important in this case, unless your desire is to restore to factory. But if your only looking for a car for personal enjoyment this sure would fill that mandate. Price? What do we say? It's worth what you or anyone is willing to spend. The site disclaimer is sound advice, perhaps a member from Mi. near the car can inspect it further for you. Good luck.