Question: Has There Ever Been An Authenticated Legit Error Note Of A 7 Digit Serial Number?

Steve is our note guy,but let's wait for him and others to chime in.
John1

Hurry up Steve!

Could be an error (insufficient ink/obstructed printing) but it could also be erased. Considering it happened on both its a little/lot phishy. If you look at 829 you see some degradation of numbers on top and then you see a degradation on the B on the bottom. If this was me I would check to see if anything was rubbed on the last digit, if there wasn't you might have a real error (doubtful though). This is one that if there is a possibility of a real error I would get graded. Authentic error you are talking $200-$300 or more, but I wouldn't buy it unless it was graded, too many "fake errors" out there.

(edit after looking at the note more) The more I look at the note, the more fake it looks.

The problem is, banknote serial numbers aren't "entered" by someone sitting at a computer typing them all in, or even by a computer automatically calculating what the number should be. They're printed by a numbering machine, where each digit has a corresponding wheel of possible digits. There is no "blank space" on this wheel, and no way that the entire wheel for a digit can simply "disappear" in the middle of a print run without the entire mechanism exploding.

Now, it's possible (in theory) for a banknote to have "missing digits" caused by a failure to properly ink the numbering machine, some blockage in the ink delivery mechanism or it simply "runs out of ink" like an inkjet printer. Partially missing digits are a far more common outcome of this failure. But it is excessively, extremely improbable for such an error to occur simultaneously and identically on both serial numbers, since two separate numbering machines are used for each banknote.

Thank you all for your input. Confirming what I was already thinking but because I don't really know how the process of numbers get printed onto a bill I just wanted to be sure by others who know way more than me what they thought and if they thought it could possibly happen. From the looks of it, the mostly unanimous decision is that it's highly improbable that both numbers could be gone. Which is what I was thinking because I'm not that lucky to find such a rarity as that but it was worth asking to make sure. I will obviously more than likely keep it as it's a nice novelty item worth keeping in my eyes and even if it was a rare bird I don't think I'd be able to part with it regardless.

Excellent! A reminder of a lesson learned and an example to reference in the future.

Disagree.

Just my humble opinion. Your mileage may vary.