This Autographed Leonard Coleman Onl Baseball has been Personally Signed by Barry Manuel, Carlos Baerga, John Franco, Bob Apodaca, Randy Niemann, Rick Reed, Peter Harnisch, Manny Alexander, Tom Robson, Edgardo Alfonzo, Carl Everett, Yorkis Perez, Alberto Castillo, Bobby Jones, Lance Johnson, Mark Clark, Bruce Benedict, Steve Bieser, John Olerud, Rey Ordóñez, Mookie Wilson, Gregory McMichael and Bernard Gilkey of the New York Mets. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.