The 2026 Topps Series 1 Base Card Lot includes 234 cards featuring rookies and veterans from the Major League Baseball (MLB) teams such as the Boston Red Sox, Athletics, and Atlanta Braves. Manufactured by Topps in the United States, these original English-language cards are part of the 2025 Topps Update set. Each standard-sized card is a valuable addition to any baseball card collection, offering a glimpse into the excitement of the MLB World Series and beyond.