Played in the NFL 1946-1949, consensus All Pro 1946. Deceased 2002. Note reads "To my friend Bob Sperber [signature] All-American-1942 Tulsa University". Envelope is addressedto Bob Sperber and is postmarked 1/12/43 from Tulsa OK. 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.