1984 Frank Thomas Autographed MLB Baseball Signed HOF Plaque Postcard JSA2014 Frank Thomas Autographed HOF MLB Baseball Signed Plaque Postcard, authenticated by JSA Frank Edward Thomas Jr., nicknamed "the Big Hurt" played for three American League teams from 1990 to 2008, all but the last three years with the Chicago White Sox JSA certification #WP652750 Measurements: 3. 5" x 5. 5" Excellent condition; autograph presents well with no fading or smudging, sharp corners and edges Follow us on Instagram and Facebook