Each sealed box contains 24 packs of 10 cards each in a 335 card set (200 Veterans, 100 Rookies, and 35 Rookie Gridiron Gems Autograph cards > #`d to 299). >>> Each box contains ONE Memorabilia or Autograph card. Parallel sets: X`s (Silver and Gold) and Rookie Gridiron Gems Autograph Gold (#`d to 50). Inserts: Crash Course, Arms Race, Aerial Assault, Monday Night Heroes (#`d to 250, 100 & 25), Gridiron Kings (Rookie Signature > #`d to 99 or less, Rookie Jersey Prime > #`d to 49 or less, and #`d Jersey Prime), Autograph cards (#`d to 99 or less), and Prime Materials (O`s > #`d to 49 or less, Die-Cut X`s > #`d to 299 or less).