The 2026 Onyx Baseball Leandro Romero Base Card featuring the Seattle Mariners player is a standard-sized trading card made of card stock. This original card is from the 2026 Onyx Vintage set, showcasing the Major League Baseball player Leandro Romero. The card is not autographed and is a part of the Onyx parallel/variety, with English language text and manufactured by Onyx. Perfect for collectors and fans of the Seattle Mariners, this unique sports trading card is a valuable addition to any collection.