I believe this was used in the Sleepwalker Holiday Special #1, 1993. If I recall correctly, Marvel blacked out my signature when they printed it.
Detective Comics #408 - Neal Adams art & cover
4 hours ago
A random collection of material from comic artist Kevin Nowlan. Started with the best of intentions, but like most other efforts, doomed to perish from neglect as soon as the novelty wears off.