If The Dark Knight is one of your favorite films of all time, then be sure to add this Christian Bale autographed baseball to your collection. This one-of-one memorabilia piece not only features the star actor's hand-signed signature, but also striking artwork by Diana Aitken. In this second installment of Christopher Nolan's trilogy, Batman comes face to face with the Joker, famously portrayed by Heath Ledger. Bale's performance as the caped crusader earned rave reviews and garnered critical acclaim. Outside of his portrayal of Bruce Wayne, Bale has starred in numerous other iconic films, earning four Academy Award nominations and a win for his supporting role in The Fighter (2010). Never forget all he contributed to these legendary superhero movies by making this signed baseball a new centerpiece of your collection.