Autographed card of Katie Horstman, a star player in the All-American Girls Professional Baseball League (AAGPBL), is a highly sought-after item for sports memorabilia collectors. This trading card single features her signature and is a valuable addition to any sports trading card collection. Horstman played for the Rockford Peaches and Kenosha Comets during her career in the AAGPBL, which was immortalized in the movie "A League of Their Own."