![2023-24 Upper Deck Series 1 Hockey](https://www.checklistcenter.com/wp-content/uploads/2023/10/2023-24-Upper-Deck-Series-1-Hockey-150x150.jpg)
2023-24 Upper Deck Series 1 Hockey sees major changes come to the flagship release. First off, the format of the release switches from 24 packs of 8 cards down to 12 packs of 12 cards, essentially doubling the per pack price of the cards. Additionally Upper Deck has added multiple parallels to both the base […]