The Friendly Stranger is selling it. I personally don't see anything wrong with the actual "Jodie Foster" autograph but I also thought that was odd as well.
Yeah, I though it seemed right, it was just odd about the inscription. I thought for some time she kind of skipped Taxi Driver pics altogether.
For what it's worth, here's one I've had for years from a good in person collector in New York. She's one of the few modern celebrities who has a genuinely nice and interesting signature.