Detective Comics #235 (1956) Golden Age Key Comic, Origin of Batman, Origin of Batman’s Costume, Revelation That Bruce Wayne’s Father Wore Bat-Costume to Fight Crime. After seeing an old home movie of his father, Dr. Thomas Wayne, in a Batman costume for a masquerade party, and learning from Dr. Wayne’s diary that he was marked for death by gangster Lew Moxon, Batman and Robin realize that Joe Chill was only a hired gun of Moxon’s to Kill Bruce’s parents. They resolve to go after the mastermind of the Wayne murders only to find he has no memory of Wayne or Chill, or so he claims. Please inquire if you are looking for a particular comic book or run of books. Some books may be pulled from online availability and/or set aside to send to CGC.