Each sealed box contains 20 packs of 8 cards each in a 311 card base set including 25 high number cards 1:5 and 1 Mickey Mantle reprint card. >>> Each box contains THREE Autograph cards and ONE Alex Rodriguez `Road to 500` box loader pack. Parallel sets: Chrome (#`d to 1952), Chrome Refractor (#`d to 552), and Gold Refractor (#`d to 52). Inserts: Dynamic Duos, Debut Flashbacks (parallels: Chrome > #`d to 1952, Refractor > #`d to 552, and Gold > #`d to 52), Autograph cards 1:8 (Single, Special Edition > hand #`d to 52, and Combos > hand #`d to 25), and Ticket to Stardom Memorabilia cards (#`d to 20).