This Autographed Game Used Rawlings Big Stick Player Model Baseball Bat with the inscription of "God Bless" has been Personally Signed by Gary Carter 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. The bat does not have a COA for the game use, however the wear exhibited along with the correct tagging lead us to believe this are in fact game used.