Vladimir Guerrero, Jr. Toronto Blue Jays Autographed 40th Anniversary Official Major League Baseball Signed OML baseball from Blue Jays star Vladimir Guerrero, Jr. - certified authentic by James Spence Authentication (JSA) This official Toronto Blue Jays 40th Anniversary Major League Baseball has been hand-signed by Toronto Blue Jays star Vladimir Guerrero, Jr. All autographed memorabilia includes a certificate of authenticity and a matching hologram. Hand-Signed by Blue Jays star Vladimir Guerrero, Jr. Signature is in bold blue on the baseball Authenticated with JSA serially numbered hologram Official MLB baseball