Welp, made a minor effort to start going through my stuff, but it's totally overwhelming. Here's the memorabilia closet (and that's not even half the stuff):
Here's a few of the more easily accessible things:
A Muhammad Ali signed Koran (I'm not Bill by the way, but still thought it was too cool to pass up):
Mike Powell autographed long jump shoe (I believe it may have been used in the Olympics or some other international event):
Muhammad Ali personalized autograph:
And probably my favorite piece (even though it's not the most valuable), the super heroes of sports litho signed by 20 hall of famers from each of the big 4:
Will try to post some more stuff over the weekend if I have time to dig deeper.