#6. Joe DiMaggio & Marilyn Monroe’s Baseball: $191,200
Joe DiMaggio was a baseball player and Monroe was America’s favorite bombshell. It was only natural that the two of them got married.
Soon after that, they signed a baseball, not only did became one of the most expensive baseball memorabilia in the world, but it was the most expensive singed baseball in the world when it was sold in 2006.
The valuable autograph was obtained by a New York photographer in the spring of 1961.
In 2012, that record has been broken, but the baseball still remains one of the most expensive autographs in the world.
