I get this if one of your parents was a bad painter and filled the house with huge framed canvases. Otherwise, I'm just looking for stuff I want, and anything that I know was meant for posterity and few people would care about (my father updates a family tree, for example.) After that, call a professional and sell the lot to them i.e. the thing that these people mention not doing. You may "lose" your parents if you d…
On the other hand, one step removed I think it makes more sense, because you have maybe less direct contact with the person -- I've got a microscope and and oil stone from my grandfather, which have some significant sentimental value to me. These were almost certainly obsolete when I got them, more than a couple years ago (Well, the microscope at least. An oil stone will last you a while). I think I value these because he was a very precise, but also very down-to-earth guy. That's my summary, having had limited time with him. My mom would not be able to sum up his whole personality in two items, because she has a much more full view of it. But, despite knowing that this stuff holds only the slightest outline of his personality, it really does mean a lot to me.