This Autographed Selig Baseball has been Personally Signed by Joe Girardi; Kyle Farnsworth; Rick Aguilera; Kevin Tapani; Sandy Alomar Sr.; Jon Lieber; Jeff Huson; Mark Grace; Rene Lacheman; Jamie Arnold; Jeff Petland; Jeff Reed; Rondell White; Steve Rain; Felix Heredia; Gene Glynn; Tim Worrell; Don Baylor; Gary Matthews Jr.; and seven others of the Chicago Cubs. 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.