The estate process for my parents is finally coming to a close, and we must do a final cleanout of their residence in preparation for selling it. I ended up with 6 boxes of stuff I shipped to my house that I would classify as "things I really don't want and will likely never look at or use but I can't bring myself to throw away." My mom's faded wedding dress is in this category, for example. I need a word for this kind of item.
Typically what happens with this stuff, at least in my case, is a sort of time-based triage process. I will store it, let 5 years or so go by and at that point, having never accessed any of it, I will get rid of a portion. My school textbooks steadily vanished in this manner. Rinse and repeat until the problem with the hard core of assets we can't bring ourselves to shed is passed onto our kids. Or until something is old enough to migrate from old junk to valuable antique.
I did find a pretty cool, large award certificate my grandfather won at the 1904 St. Louis World's Fair, which I think I will frame.