Check the listing for details. 1990 Upper Deck Baseball Low Number Box (36 Packs). Condition: Open Box/Used. Listed at 28.99 USD. The 1990 Upper Deck Baseball Low Number Box contains 36 packs of sealed trading cards from the 1990 baseball season. Manufactured by Upper Deck, this set offers collectors the chance to uncover rare and valuable cards featuring top players from that era. With a focus on the excitement of opening packs and the thrill of collecting cards, this product is a must-have for any baseball card enthusiast looking to add to their collection.The 1990 Upper Deck Baseball Low Number Box contains 36 packs of sealed trading cards from the 1990 baseball season. Manufactured by Upper Deck, this set offers collectors the chance to uncover rare and valuable cards featuring top players from that era. With a focus on the excitement of opening packs and the thrill of collecting cards, this product is a must-have for any baseball card enthusiast looking to add to their collection.