Each sealed box contains 12 packs of 4 cards each in a 90 card base set. >>> Each box contains THREE Memorabilia and/or Autograph cards. Parallel set: Memorabilia (#`d to 75). Inserts: Lasting Legends, Legendary Lineage, Classic Careers, Glory Days > insert ratios the same for the four previously listed insert sets (#`d to 399; Memorabilia 1:24, Patch > #`d to 50, Autograph > #`d to 25, Memorabilia/Autograph > #`d to 25, Patch/Autograph > #`d to 25, parallels: Gold > #`d to 75, 25, 10, and 5; Platinum > #`d to 1), Legendary Duels (Dual Memorabilia > #`d to 25, Dual Patch > #`d to 10, and Dual Autograph > #`d to 15), Legendary Duos (Dual Memorabilia > #`d to 25, Dual Patch > #`d to 10, and Dual Autograph > #`d to 15), Significant Trips (Triple Memorabilia > #`d to 10, Triple Patch > #`d to 5, and Triple Autograph > #`d to 10), Historic Quads (Quadruple Memorabilia > #`d to 5, Quadruple Patch > #`d to 1, and Quadruple Autograph > #`d to 15), and Cut Signatures (8 variations: Single, Dual, and Quads > all #`d to 99 or less). Also look for random HOT BOXES each containing as many as 4 Cut Signature cards!