The 2026 Leaf Baseball Nation Proof Pack contains a single 1-of-1 card from the Major League Baseball (MLB) set by Leaf. Each pack is factory sealed and standard sized, making it a highly collectible item for baseball fans and sports trading card enthusiasts. The pack offers a unique opportunity to own a rare and valuable 1-of-1 card from the 2026 season. This limited edition pack is a must-have for any serious collector looking to add a special piece to their collection. You could score a 1-of-1 Autograph potentially too!!

Volume discounts - save 20% when you buy 4 or more!!

See full checklist of set on Leaf's website.

Description of set from Leaf's site:

2026 Leaf Baseball Nation

After the amazing success of the inaugural edition, Leaf Trading Cards is proud to announce the return of Baseball Nation. Look for signatures of this year’s most likely number one pick Roch Cholowsky, and one of last year’s top stars Nick Kurtz. New for 2026 look for 1990 Mini Leaf Autographs. (exclusive to jumbo) Look for retro Baseball Disc die-cuts. This product contains not only tomorrow’s superstars but yesterday’s legends. Look for the extremely rare Sensations insert!