I don't deserve to have to do the dirt on a time-capsule gun and fortunately haven't been blessed with the means to do so. Better to get a ninety yr. old man who's never been anyplace, never done anything, and have him do it. A slightly crow-footed Geo. Clooneydroid would be about right for the job. Certainly real issues here. Effect on market value, effect on finite supply of "museum quality" examples complete with packaging, hangtag, and all that other collector in situ detritus.
Triggers meant to be pulled; cylinders turned, slides slid. Still some things which have survived the human touch probably should be encouraged to continue doing so. If I'm not mistaken, there're probably some real nice high-dollar guns in current production that are good for initial show and longterm go. Large part of the artifactual past has been consumed already; no need for the time-traveling consumer to finish the job.
jack