Riddell Packers Speed mini helmet hand signed by Packers Super Bowl XXXI Champ CHRIS JACKE. The signature is in Black Sharpie with the inscription "SB XXXI Champ". This item was signed at a private signing with us and would make a great addition to any Packers collection! This autograph is guaranteed to be 100% authentic and will include a COA hologram from Beckett Authentication.