You're right about the new ones costing the same and they are different. The new ones have choke tubes instead of fixed IC. New also come without scratches or "repairable marring". I also agree with skeet man's statement. If it was a true "antique", no FFL transfer would be required. Love it when guns have over glorified descriptions in WTS listings.
This is a much more desirable gun that the ones coming out today as far as I'm concerned. Much better fit and finish than current production due to more hand fitting of parts. Work the action on the two iterations and you'll see what I mean.