Carl Yastrzemski signed National Baseball Hall of Fame ball. Here is your chance to bid on a Hall of Fame baseball signed by Red Sox Legend and Hall of Famer Carl Yastrzemski. This baseball is signed on the sweet spot in light blue pen. The ball is in terrific condition and would be a awesome piece of memorabilia to add to any collection. Note - This ball does not have a COA so please consider this when making your bids. This auto was obtained by an employee of Superdog sports and we will guarantee it to be authentic. If for some reason it won't pass authentication, we will refund your money as well as the shipping charges you incur.