Hi everyone,Hoping to get some feedback on the authenticity of these Senna autographs. I've read that Senna changed his autograph over the years, but can't find too much information on how it changed and how to detect.These are all from the same seller, I've bought a few and have an option to buy another, but now am just a little concerned about the authenticity. Although the autographs are on cars of different years, the cards were printed in 1991, so the autos would have to be 1991 at…See More