This Frank Thomas Chicago White Sox 1999 Skybox E-X Century Essential Credentials Future #12 #15/109 PSA Authenticated 9 Card is a must-have for any fan of the Hall of Fame slugger. This card from the turn of the 21st century showcases "The Big Hurt" during his prime years with the White Sox. Encapsulated in a tamper-proof acrylic case for protection and preservation, this PSA Authenticated 9 card is a must-have for any serious collector of baseball cards from the 1990s.