Batman Adventures #12 Timm Fan Expo Sketch B&W Variant NM

Batman Adventures #12 Bruce Timm Sketch Fan Expo Convention Exclusive NM

1st appearance of Harley Quinn in a comic book. "Batgirl: Day One." Barbara Gordon attends a costume party dressed as Batgirl. Unfortunately, Poison Ivy and Harley Quinn also decide to show up. Based on Batman The Animated Series.