This happened recently, when a job lot of assorted issues appeared on eBay. I noticed that one was for KODT 4, so bought the lot for $20. Issue #4 is unusual because there are two printings of it, and collectors tend to want both. Also in the lot was an issue #30, which is also sought-after as the print run was short so there aren't as many of them out there as there are issues #29 and#31.
In total, there were 23 issues in the lot, which I shall now have to bag up before running the gauntlet of comments from my wife demanding to know why I want them if all I'm going to do is keep them in the attic (answer: so I can keep them in the attic).
Ooh, I've just realised that my webcam is a cam, so I can use it to take photographs!
Nice haul.