2026 Topps MLB Series 1 Hobby Jumbo

Overview
- Celebrates 75th Anniversary of Topps Baseball
- Features new stitched-fabric design with diamond anniversary logo
- Hobby Jumbo format delivers maximum card volume and exclusive content

Box Configuration
- 10 packs per box, 40 cards per pack (400 total)
- Guaranteed hits: 1 autograph & 1 relic card per box

Base Set
- 350-card checklist: stars, rookies, Future Stars, League Leaders, team cards
- Anniversary theme blending current MLB talent with legendary players

Key Features & Inserts
- Anniversary inserts: 1952 Topps Baseball, Cover Athletes, 75 Years of Topps
- New inserts: Base Card 1952 Variations, Topps Profiles, Topps Baseball Autographs
- Returning favorites: All Aces, Heavy Lumber, Home Field Advantage