How common are beat-up pens that are perfect where it counts - nib, cap and body all sans micro-fractures and chips, discounting all dings, scratches, tooth marks and dents. I'm interested in something vintage which will last as a user, not a collector's piece. If these things are semi-readily found, how much of a difference would a battered body make to the price? Of would lovely nibs be taken out and put in something prettier? Cheers for your input!