The security strip has been a problem on these bills for a long time.
I compared it to another 2009A C-note I have (see photo) and mine has 1/4" breaks in the strip at intervals of ~1/2" and 1". On mine there is a break of 1/4" inch just to the left of the gold inkwell over Ben's left shoulder. I don't see enough C-notes to know if the break pattern in the strip is uniform across all notes.
It almost looks like the piece that is peeled on your note is about the same size ....1/4".... that is not on my note and is in the spot where a void should be. So, if that's the case it is a manufacturing defect.
Value? Who knows? 100$ is a lot to tie up in an error like this. I know Iwouldnt save it.
