2025-26 Upper Deck Chicago Blackhawks Hockey Centennial Box SetThis box contains an assortment of 2025 Chicago Blackhawks Centennial trading cards. Inserted into these specially marked boxes are the following cards: 100 Chicago Blackhawks Centennial Base Set Cards. Randomly inserted into these specially marked boxes are the following cards: Base Set Parallel Cards (4:1 - Base Set - Bronze Parallel (3:1), Gold Parallel (1:1)), Autograph Parallel (1:10), Masters of the Madhouse Cards (1:1). Stated odds reflect an average of the entire production run; no ratio is guaranteed to exist within an actual pack, box or case.