This is an Official Major League baseball that has been hand signed by Nolan Ryan. Nolan has added HOF 99, 5714 K's, 324 Wins & 7 No Hitters. This autograph is certified authentic with Ryan's own hologram. It has also been authenticated by PSA/DNA and comes with their sticker and matching certificate. The autograph has also been graded by PSA/DNA as a gem mint 10. The ball is sealed in a cube along with the certificate.