2026 Topps Baseball Series 1 Celebration Mega Box Marque_O-Pee-Chee Holds up to 126 standard-size

Holds up to 126 standard-size single-loading cards and 252 double-loading cards

with their superb shiny illustrations

and Palafin ex as playable foil cards

They are part of four different autograph sets on the checklist

Reach out for the unusual

2026 Topps Baseball Series 1 Celebration Mega Box Marque_O-Pee-Chee Holds up to 126 standard-size2026 Topps Baseball Series 1 Celebration Mega Box Configuration : 14 packs per box 14 cards per pack Topps Series 1 Celebration Mega Box arrives just in time for the start of the MLB season, continuing the flagship Series 1 collection and extending the celebration of Topps Baseballs 75th anniversary. The Celebration Series features the 350 card Series 1 base set, showcasing todays biggest MLB stars, top rookies, future standouts, league leaders, and