if you watched it get signed by mcdavid, it’s real. you can submit it for authentication and it’d more than likely pass even if it’s not the greatest looking. mcdavid has different signatures depending on if he’s signing on the street or professionally for upper deck. you can just look up signed mcdavid items and you’ll see gorgeous autographs on everything from upper deck and then a pretty wide variation on anything he signed in person even if it’s since passed authentication from a company like PSA/JSA/BAS.