Figured I'd chime in. The box 100% looks suspicious. If I'm right, as mentioned, this is a newer style of repo boxes that is made with "cardboard" paper and not just 14pt whitestock.
This pic makes me uncomfortable too. The black is washed out and the yellow is blurry. Looking at my copy, the black is a pure dark black with no hints of white/grey.
Finally, the plastic seal isn't an H-seam, and whomever opened this removed the Tyson letter and manual? Seems odd.
I'd advise anyone to steer clear of this auction.