The product is a vintage 1998 Starting Lineup Mark McGwire action figure that is part of a unique Super Mario Bros. collection, making it one of a kind. This item combines the world of baseball with that of the popular video game franchise, offering fans and collectors a rare and nostalgic piece to enjoy. With its specific year of manufacture, featured person, and franchise tie-ins, this action figure would be a valuable addition to any collection of sports memorabilia or action figures.