This Louisville Slugger bat, used by Bill Mazeroski from 1970 to 1972, is 35 inches and 34 ounces of beauty. With light use apparent, and green bat rack marks, while having enough character to satisfy any collector. The knob has an underlined 9 written over the model, "S2," stamped into the knob Comes with an LOA affirming its use by Maz.