This is a Louisville Slugger Hillerich & Bradsby bat, dated on the day Chris Chambliss hit a walk off home run, 10/14/76, that was acquired from the Yankees equipment manager on the following day. Model K48 bat has "10" written on the knob in black marker. The bat measures 35" and weighs 35 oz. It shows great use, with bat rack marks, ball marks and seam impressions.