I have a very specific, odd, curated, and diverse want list. Items I am after do not come up often and in the last few years mostly come up via auction houses. Some pop up on eBay and a few via private sale, but majority are AH. I posted an article a few weeks ago about a few of them that showed up in one auction. I went 2 for 4.
Gotta give a shout-out to Love of the Game for this beauty, which has been on my want list for a very long time: