DON MATTINGLY SIGNED GAME ISSUED BAT. Offered here is a Louisville Slugger M110 professional model baseball bat. Hand-signed with blue felt pen by Don Mattingly. Bat was game issued, but appears to never have been game used. Authentication: PSA/DNA #1B06868 & JSA #N02416 with matching COA card.The item "DON MATTINGLY SIGNED PRO MODEL GAME USED YANKEES LOUISVILLE SLUGGER BAT MARLINS" is in sale since Thursday, April 6, 2017. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Bats". The seller is "ottofield" and is located in Brooklyn, New York. This item can be shipped to United States.