Reggie Jackson Louisville Slugger 125 store model batIn general a Reggie Jackson Louisville Slugger 125 store model bat in unused Excellent - Near Mint condition is worth about $60.00 - $75.00 in used but not abused excellent condition about $40.00 - $60.00 The bulk of the value will be determined by the condition, age, and model of the bat. Longer, older and higher grade bats will sell for more. With Louisville slugger bats in short, if your bat has the size stamped into the knob it is a store model bat. This is placed there to help the buyer identify the size of the bat. A bat closest in size, and mode to the bat a player used during his career will have a higher value.