2nd one should be bad. I would try to get an official pix or celebrity authentics pre sale. If too expensive maybe Skyline signatures who are supposed to be good (and a bit cheaper). If Mr Chuka reads this you will get sound advice.
While I do not profess to be a Harrison Ford expert, I have enough cursory knowledge to seriously doubt the red carpet pose. The Regarding Henry pose -- even if authentic -- is a terrible example and I would recommend avoiding.