Normally your right but with old what his face out west he has even make fakes of those. Heck he even has counterfeited barrels from what I have been informed. Nothing is beyond a buck with him.
Are you saying brand new reproduction bolts or bolts with altered markings? I can imagine the latter but certainly not the former of those two. If they are the of the brand new reproduction type, I'd love to see some pictures, for my curiosity of course.