This Autographed Black Rawlings Pro Baseball Bat with the inscription of "Smalls, DeNunez, Repeat, Yeah-Yeah, Timmy, Ham, Johnnie" has been Personally Signed by Chauncey Leopardi, Brandon Adams, Marty York, Victor Dimattia & Shane Obedzinski, Patrick Renna, & David Mickey Evans of The Sandlot. This item is 100% Authentic to include a hologram by Beckett Authentication Services. This item may come with the new Beckett Authentication hologram that has a scannable QR code rather than the traditional COA. If you would like to have a COA, you are welcome to reach out to Beckett for a printed certification once you receive your item. This is a BAS Witnessed Protection Program item which means a Beckett Authentication Service representative was present when this item was being signed.The authenticity can be verified on Beckett Authentication Services website.