This is an authentic Pittsburgh Steelers Speed Mini Helmet signed by the legendary Jack Ham. It comes with a James Spence Authentication (JSA) certificate of authenticity to ensure its genuineness. The helmet also has an HOF 88 inscription, making it a highly sought-after collectible for football fans and collectors. Whether you're a die-hard Steelers fan or a fan of the sport in general, this is a must-have item for your collection.