Each sealed box contains 5 packs of 8 cards each in a 100 card set. >>> Each box contains FIVE Memorabilia and/or Autograph cards. Parallel sets: Base set 1:1 & Longevity (#'d to 249 or less).
Inserts: Alumni Signatures (#'d to 25, parallels > #'d to 10 & 5), College National Team Signatures (#'d to 499, parallels > #'d to 25 or less), 2017 USA Baseball Stars and Stripes 18U (#'d to 499, 10 & 5), 18U National Team Signatures (#'d to 499, parallels > #'d to 25 or less), 17U National Team Signatures (#'d to 499 or less, parallels > #'d to 25 or less), 15U National Team Signatures (#'d to 199 or less, parallels > #'d to 25 or less), Signatures (#'d to 299 or less, parallels > #'d to 25 or less; Alumni > #'d to 299), USA National Team Silhouettes Signatures Jerseys (#'d to 199 or less, parallels > #'d to 25 or less), Jumbo National Team Relics (#'d to 299 or less, parallels > #'d to 25 or less), Tools of the Trade National Team Relics (#'d to 299 or less, parallels > #'d to 25 or less), USA National Team Silhouettes Signatures Bats (#'d to 49 or less, Black Gold Signatures > #'d to 5 or less), College National Team Connections Signatures (#'d to 25, parallels > #'d to 10 or less), 18U Connections Signatures (#'d to 25, parallels > #'d to 10 or less), Chinese Taipei National Team Signatures (#'d to 11 or less; Prime > #'d to 17 or less, parallels > #'d to 8 or less), and Chinese Taipei Silhouettes Signatures Jerseys (#'d to 10 or less; Prime > #'d to 15 or less, 1-of-1 Brand Logo Mizuno).