This postcard is a must-have for any serious collector of baseball memorabilia. It features the signature of Hoyt Wilhelm, a former major league baseball player who is a member of the Hall of Fame. The autograph has been authenticated by Professional Sports (PSA/DNA), ensuring its authenticity. In addition to the signature, this postcard also features a knuckleballer design, making it a unique and valuable item. Whether you're a fan of Hoyt Wilhelm or simply collecting other collectible autographs, this postcard is sure to be a prized possession.