Mickey Mantle Signed Major League Official Baseball. The item "Mickey Mantle Yankees signed Official Major League Baseball LOA PSA #AI05860" is in sale since Wednesday, November 17, 2021. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Balls". The seller is "explosivecollectibles" and is located in Stockton, California. This item can be shipped worldwide.