(Please see the SGC certificate pictured). I guarantee the authenticity of this autograph. Please check out my extensive autograph listings, including the collection of first day covers that this one comes from. The item "Paul Bear Bryant Signed FDC / Autographed Alabama First Day Cover / SGC Prelim" is in sale since Wednesday, October 31, 2018.This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Football-NFL\Other Autographed NFL Items". The seller is "billmcintosh" and is located in Williamsburg, Virginia. This item can be shipped worldwide.