According to a report from Cllct, a signed Mickey Mantle baseball ... for the card is already nearing $400,000, breaking previous Mantle records, and it could challenge a Jackie Robinson card ...

"Jackie Robinson's impact was greater than just that of baseball. He was a transforming ... Robinson was posthumously awarded the Congressional Gold Medal, the highest honor Congress can bestow ...

Jackie Robinson was an exceptional athlete and a civil rights leader. On April 15, 1947, he broke the color barrier in Major League Baseball when he trotted out to first base for the Brooklyn Dodgers.