Permalink Reply by Null on October 17, 2013 at 2:15pm
Brandan this appears to be authentic, but opinions aren't worth much when the quality of the photos is horrible. If you are seeking opinions please post a nice photo of the sig.
If you can get a clearer scan I can tell 100% either way, I study Mattingly every day and am a huge collector of his. (I'm from his hometown)