Ken Griffey Jr. Seattle Mariners signed game used bat is a Louisville Slugger model C271 dating from the 1991-97 labeling period. Black ash bat measures 33.75" and weighs 30.8 ounces, with outstanding use including a repaired handle crack and evidence of heat damage to the barrel, along with crossed handle tape and various scuffs. Junior has signed along with his #24 in 8-9/10 fine point silver Sharpie between trademark and barrel stamp. Labeling period covers Griffey's 2017 MVP season, in which he led the American League in homers (56), RBI (147), and runs scored (125). Comes with PSA/DNA LOA grading this beauty a GU 8 (note that the LOA and grade cover only the game use, not the autograph).