Own an official MLB signed by Hall of Famer Ernie Banks. Banks, better known as "Mr. Cub" played for Chicago from 1953-1991. Banks hit 512 career homers with more than 40 in a season 5 separate times. In 1955 he had a record 5 Grand Slams. He was voted MVP in both 1958 & 1959 and he established records for the most homers in a season by a shortstop (47 in 1958).