Hate to break it to ya, this is fake. There are plenty of these same exact letters on the Internet photoshopped with various universities.
For starters, University-issued letters have the official school seal on the letterhead, not one of the alternate athletic logos.
My friend who's at App right now posted this on Facebook from his phone. Makes it seem more legit.
And upon searching Google for another posting of this picture, I couldn't find anything.