Each sealed box contains 6 packs of 4 cards each in a 150 card base set. >>> Each PACK contains ONE Memorabilia or Autograph card. Parallel set: 100th Anniversary (#'d to 100). Inserts: World Series Tribute (Relic, Relic parallel > #'d to 25, Autograph Relic, and Autograph Relic parallel > #'d to 25), Memorable Match-Up Relics, Team Tribute Relics, Series Signatures Autograph Relic (parallel > #'d to 25), Pastime Patches Relics (#'d to 25), Fall Classic Cuts (hand #'d to 1), and Subway Series Fan Fare box topper (individually wrapped cards featuring NYC Subway tokens from the player's era, parallel > #'d to 25).