I find this especially true for coins. Someday I will get something to contain them. (I've said that for a couple of years now!)

My sporran is fairly organized and its contents limited, but my wife's purse may one day be an archaeological site. I only went in there once, with permission of course, and discovered the hard way that she had a compass in there. Not a "find your way out of the woods" compass, but a "draw arcs, circles and massive amounts of blood" compass. Apparently discipline dished out by teachers in Catholic schools has moved way beyond the smack with a ruler.

To this day I'm clueless about what's in there, but by its weight I know there's a lot of it and it must be more valuable than what's in my sporran because I have yet to set booby traps to protect it. I fear that one day it will have first-strike capabilities.