2008 Bowman Chrome Baseball Hobby Box 18 packs of 4 cards each ONE Autograph card per box (parallels #'d to 250 or less) Up to 6 Refractor parallels cards per box TWO Rookie Prospect cards per pack (parallels #'d to 500 or less) Head of the Class Autograph cards (parallels #'d to 99, 50, and 1)