Each sealed box contains 4 packs of 1-2 cards each. Packs with two cards will include one base set card. There are 50 cards in the set. >>> Each PACK contains ONE Memorabilia, Autograph or Book card (Memorabilia or Autograph). Inserts: Common Signature (Red > #`d to player`s jersey number, Blue > #`d to 25, Gold > #`d to 10, Green > #`d to 5 & Black > #`d to 1), Rookie Signature (Red > #`d to 299 or less, Blue > #`d to 99 or less, Gold > #`d to 25 & 10, Green > #`d to 5 & Black > #`d to 1), Rookie Booklet Signature Silver (#`d to 299 or less, parallels > #`d to 49 or less), Rookie Booklet Silver (#`d to 199, parallels > #`d to 25 or less), Rookie Booklet Drawn Play (#`d to 1), Rookies Booklet Signature RPS Team Photo (#`d to 65 or less), and Booklets (Down & Dirty > #`d to 32 or less, Flywire > #`d to 1, Coaches Autograph > #`d to 25 & 10, Gold > #`d to 25 or less, Signature Platinum > #`d to 25 or less, Signature Plays > #`d to 10 or less), and Mammoth Materials (#`d to 25 or less, Rookie > #`d to 99 or less).