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. Celebrate the legacy of Topps Baseball with anniversary-themed inserts and parallels that honor the brand’s rich history, including Cover Athletes, 75 Years of Topps Die-Cut Autographs, and 75 Years of Topps Baseball Autographs. This is a 2026 Topps Series 1 Baseball Fat Pack with 36 Cards. Brand New/Factory Sealed