1998-99 Upper Deck BLACK DIAMOND NHL HOCKEY 30 Pack HOBBY Factory SEALED BOX! 30 Packs Per Box. 6 Cards Per Pack. Look for “Year of the Great One Inserts”! There is no better way to find cards that have the potential to grade high than unopened product. With the graded card market on fire, unopened product has skyrocketed so this is a great chance to get this box while you still can! WeSellSports has been in the sports novelty and collectible business for over 20 years. We have thousands of novelty items and trading cards in inventory so you may continue to be surprised at the items that will appear.