Each sealed box contains 1 pack of 5 cards each in a 130 card set. >>> Each PACK/BOX contains THREE #`d base set cards, ONE Memorabilia card (#`d to 25), ONE Autograph Memorabilia or Memorabilia card (#`d to 10 or less), and ONE Mystery Pack (containing ONE #`d and framed base set parallel card or ONE Cut Signature card). Inserts: Chronicles Autograph Memorabilia cards (3-piece, 4-piece, and 5-piece), Career Chronicles Memorabilia cards (3-piece, 4-piece, and 5-piece), Memorabilia cards (Season, Spectators, Moments, Jumbo Swatch, Pairs, and Bat Barrels), Autograph cards (Moments, Pairs, Season, and Cut Signature), and Autograph Memorabilia cards (Jumbo Swatch and Bat Barrels).