Odd Montana item, legit?

[MReamer66]

I was looking for a certain KC Chiefs hat that I had when I was a kid when I came across this item. It is the hat that I was looking for but it had an apparent backstory. The owner of the hat claimed that his son worked for Joe Montana when he was in KC and this hat was one he gave to his son. I bought the hat with the impression that the autograph and message were fake. I paid pennies for it and was just interested in getting an opinion on it. I'm keeping it either way but there is a slight hope that I found something special.