Thanks everybody for your thoughts.  You've confirmed that, as I suspected, there is no great concern about swapping the bolts due headspace (or other) issues.

Just to be clear, I didn't ask because I am concerned about any 'personal' danger caused by a bolt failure.  I mentioned that I wasn't concerned about the rifle losing value just by shooting it, however, I am concerned about losing value by breaking it or part of it.  Since a concern for the bolt was noted in my original post,


Whig wrote on Sep 27^th, 2018 at 12:09pm:

.... I wouldn't dare risk shooting my 1894. Some of the older bolts have almost invisible cracks in the rear of the bolt that can worsen with even lightly loaded ammo. Low risk but why take the chance? ...

, and no other posters disagreed, it seemed to be a valid concern.  Given that, it would seem silly to shoot the rifle with the original bolt in it when another perfectly good bolt (with little 'relative' value) is in the next rifle in the rack.  I just wanted to make sure there isn't a problem in doing so that I'm not aware o.f