Frank Thomas Autographed Chicago White Soz MLB Baseball w/521 HR's

Official MLB baseball which has been personally signed by former Chicago White Sox first basebam/DH Frank Thomas with "521 HR's" inscription. He played 16 seasons with on the North side from 1990-2005 and was 5x All-Star and won the AL MVP award in 1993 and 1994. Ball is mint with no smears signed in blue ball point pen. This was signed at the Mounted Memories sports cards show on November 21, 2010 and includes a and certificate of authenticity from Denver Autographs