I am no pro either :o) my first post ever but looking forward to sharing more of my finds! I often carry cash and yet to have a $100 bill with the strip all the way down. I won it at a casino so unlikely it is counterfeit...
Although we've seen occasional damage to this blue strip, this is the first one I've seen that's missing the interwoven lower section. I'm not sure if it's desirable or not. Unfortunately, the note also has a rip in the lower margin going into the design.
Yeah, the color is filled in. Unusual. Possible someone took a marker to color it in, but doesn't really look like that. If it is in fact an error or variety it probably isn't dramatic enough to get much of a premium.