This autographed 2021 All Star Game OML baseball has been personally hand-signed by Vladimir Guerrero Jr. of the Toronto Blue Jays. When signing, Guerrero inscribed “1st ASG” along with his signature. Hernandez also left an inscription reading “Starting OF” along with his signature. This autograph is certified by James Spence Authentication (JSA). It comes with the numbered hologram and matching Certificate of Authenticity. This autograph is also certified by USA Sports Marketing. It comes with the numbered hologram and matching Certificate of Authenticity.