Officially licensed. Comes with MLB Hologram certification which matches on their website. Many signatures including Webb, Karen, Upton, Drew, Reynolds, Young, Qualls, Montero, Jackson......see full list below.
Alex Romero, Augie Ojeda, Billy Buckner, Bobby Korecky, Bob Melvin, Brandon Watson, Brandon Webb, Brooks Brown, Bryan Price, Cesar Valdez, Chad Qualls, Chad Tracy, Chris Roberson, Chris Snyder, Chris Young, Clay Zavada, Conor Jackson, Dan Haren, Daniel Schlereth, Doug Davis, Doug Slaten, Ed Easley, Eric Byrnes, Esmerling Vasquez, Evan Frey, Felipe Lopez, Gerardo Parra, Hector Ambriz, Jailen Peguero, James Skelton, John Hester, Jon Garland,, Jon Rauch, Jonathon Coutlangus, Jose Marte, Josh Wilson, Josh Whitsell, Juan Gutierrez, Justin Upton, Kirk Gibson, Klyer Newby, Leo Rosales, Leyson Septimo, Luke Carlin, Mark Reynolds, Max Sherzer, Miguel Montero, Pedro Ciriaco, Reid Mahon, Rusty Ryal, Ryan Roberts, Scott Schoeneweis, Seth Etherton, Stephen Drew, Tony Barnette, Tony Clark, Trent Oeltjen, Travis Blackley, Tony Pena, Wilfredo Ledezma, Yusmiero Petit, Glen Sherlock, Chip Hale, Lorenzo Bundy, Rick Schu
Punch in the hologram yourself on www.mlb.com/authentication to see the specs on this bat.