I've found 3 of these that have the die chip on the right bottom side of the building. It's easy to miss unless you're looking for it. There are other die chips also in these.
@rick: Yeah, I'm pretty sure that the first one is legit. It's very pronounced compared to the others. I wish my microscope could zoom in just a little further without blurring out the details. @yartiques: Oh yeah, those are always fun to look at You can also find little die breaks/chips on top of the guard tower, near the chimney, and sometimes on the left side of the building. Harper's Ferry coins are one of my favorites to search for errors in.
But don't you find it difficult to look at those windows closely? Especially when the coin is on the shiner side. And a lot of times the Doubling can only be seen at certain angle. Makes Meow a little cross eyed. Someone today posted one with 5 panes doubled. And they can be easily seen without a lot of magnification. That is one of the best examples Meow has seen.
Lol, it is indeed very difficult with really small doubling. The more you zoom in, the more your eyes hurt. Then with other coins, the clearer it becomes the more that you focus your scope. I get frustrated sometimes looking too hard into something that's probably not there (I hate being OCD).. Everyone on here has been really helpful and patient though, I've learned a lot