The Seattle Mariners, Colt Emerson Panini Donruss 2026 Rockets Parallel trading card is a sought-after collectible featuring baseball player Colt Emerson. Manufactured by Donruss in the United States, this card offers a rare parallel/variety design with a unique card number of 2026. As a single trading card, it appeals to sports memorabilia enthusiasts looking to add a special piece to their collection.