The product is a vintage 2000 Mark McGwire 50 Home Run Scoreboard St Louis Cardinals hat pin. This collectible item celebrates the achievement of Mark McGwire, a legendary player in Major League Baseball for the St. Louis Cardinals. Perfect for fans of baseball and the Cardinals, this pin is a unique and nostalgic piece that commemorates a historic moment in the career of McGwire. It is a must-have for any baseball memorabilia collector or Cardinals fan.