Riddell Full Size FLASH Replica Speed Helmet hand signed by former Green Bay Packers running back JOHN KUHN. The signature is in Yellow paint pen with the inscription ""Kuuuuuhn & SB XLV Champs". This item was signed at a private signing and would make a great addition to any Packers collection! This item is guaranteed to be 100% authentic and will include a COA from JSA authentication.