Each sealed box contains 12 packs of 35 cards each in a 330 card base set. >>> Each box contains ONE Memorabilia or Autograph card. Parallel sets: 1st Edition 1:1, #`d Gold, Black (#`d to 55), and Platinum (each is a 1-of-1). Inserts: Rookie Debut, Bonds HR History, Bonds 715, Mantle HR History, Memorabilia cards (Bonds 715, Trade Barry, Hall of Fame, All-Star Stitches: Single, #`d Dual, & #`d Patch, Derby Digs, Midsummer Covers > #`d to 10, Touch `Em All > #`d to 10, and Mantle HR History), and Autograph cards (Rookie Debut, Signature Moves, All-Star, and Bonds HR History), and JUMBO ONLY Printing Plates (each is a 1-of-1).