Oakland Raiders Bo Jackson Autographed Signed Mini Helmet - Beckett Authentic. The item "Oakland Raiders Bo Jackson Autographed Signed Mini Helmet Beckett Authentic" is in sale since Friday, October 29, 2021. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Football-NFL\Helmets". The seller is "mcgro-james" and is located in Clifton Heights, Pennsylvania. This item can be shipped to United States.