Hello all! My name is Mike and I’m new to the boards, and the hobby of collecting autographed baseballs. I bought a Mantle ball off eBay a few months ago to give to my Father for Christmas. It was from a seemingly reputable seller and it came authenticated by one of the “big 3” in 3rd party authenticators, with a full LOA. It definitely wasn’t cheap either, so it wasn’t a “too good to be true” pr…