This Autographed Cracked Game Used Louisville Slugger Player Model Baseball Bat with the inscription of "Game Used" has been Personally Signed by Sammy Sosa 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. The bat has all of the hallmarks of being a well used game bat. Sammy has inscribed it game used, however it does not have any additional paperwork for the game use.