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So then I went and looked it up on the link mentioned above. It says the run was considerably smaller. Does this increase the value of this note significantly?
It looks like your note is from a run of 320K, which is a pretty small run. Looks to be a keeper to me. If it were mine, I'd put it in a sleeve, and add it to the collection.

As for additional value, I won't comment on that, because I have no idea. I'm not very knowledgeable, on values. I'll leave that up to any of the other folks here, who know more about that type of thing.
Those ink spots along the top are a bit of a curiosity to me as well. I have a series '04A $10 GL*, that has those as well. It's probably a bank acquired thing.