Member of the College Football Hall of Fame, 4 time first team All Pro in the NFL, deceased 2016. Letter is a response to an autograph request that got lost on Wistert's desk for 4 years and is signed "apolegtically yours". Included with the letter are two photos, first is of Al and Whitey on the sideline at Michigan when Al received his National Football Foundation Hall of Fame citation, second is a close up of the citation. We guarantee all uncertified autographs to pass 3rd party authentication with CAS our authenticator of choice. If you want to get autographs certified you need to notify us before you pay. We submit them for you. If an autograph doesn't pass we refund both the purchase price AND the authentication fee.