1(ONE) BRAND NEW UNOPENED FACTORY SEALED: 2008 JUST MINORS MYSTERY "MINI" BAT EDITION - 1 AUTOGRAPHED BAT OF A PROSPECT OR RISING STAR IN EVERY BOX . Each box will contain the following: (1) Autographed MINI Bat:, (2) Autograph Cards Each master case will contain the following: (1) Glossy 1 of 1 autograph card: These rare 1 of 1 cards are randomly inserted into boxes at a rate of 1 per 16 boxes (1 guaranteed in each master carton). (1) Dual or Triple Signature Card: These autograph cards are signed by 2 or 3 top prospects respectively and are randomly inserted into boxes at a rate of 1 per 4 boxes.