The Base Set of 2013 Select is made up of 250 cards. The first 100 cards are major league veterans and are the base cards. The rest of the set are short prints, cards 101-125 are retired players (inserted 1:7), cards 126-175 are rookies (inserted 1:7), and cards 176-250 are autographed rookies (serial numbered to either 500 or 750).