59 cards per box. Look for at least 4 Stars of the MLB or Titans of the Game insert cards, 1 1991 Topps Baseball insert card, 1 Blended Rate Insert card, 2 Base Card Diamante Foil Parallels, and 51 Base cards per box on average. 2026 Topps Baseball Series 1 kicks off a year-long celebration of the 75th Anniversary of Topps Baseball, honoring the most iconic name in trading cards. For 75 years, Topps Baseball has defined the Hobby by capturing the game's greatest players and moments, generation after generation. Built on the new 2026 design, Series 1 delivers a 350-card Base Set featuring today's biggest MLB stars, top rookies, Future Stars, League Leaders, and team cards.