Each sealed box contains 24 packs of 8 cards each in a 288 card base set including 40 short prints, 24 Heads Up, and 24 Heads Up Writing Autograph cards. Parallel set: Memorabilia 1:1 (first 100 base cards). >>> Each box contains ONE Memorabilia and ONE Autograph card. Inserts: Goudey Graphs, 1941 Double Play (also Autograph parallel), 1934-36 Diamond Stars (also Autograph parallel), Goudey Immortals, Sports Royalty (multiple sports; also Autograph parallel), and original 1933 Buy Back cards (randomly inserted).