This Autographed Leonard Coleman Onl Baseball has been Personally Signed by Felipe Alou, Mike Lansing, Sherman Obando, Darrin Fletcher, Rheal Cormier, Joe Orsulak, Andy Stankiewicz, F. P. Santangelo, Pete Mackanin, Rick DeHart, Tom Harper, Salomon Torres, Henry Rodriguez, Mark Grudzielanek, Omar Daal, Jeff Juden, Doug Strange and five others. The signatures of Pedro Martínez, Vladimir Guerrero and Lee Smith have been deemed clubhouse versions of the Montreal Expos. 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.