House ad for Showcase #82 [Nightmaster] (May 1969); printed in Wonder Woman #182 (May-June 1969)
Comic cover art: pencils and inks by Joe Kubert
Ad designed and lettered by Gaspar Saladino
Yes, Nightmaster! The only magical warrior who started out life as the lead of a psychedelic pop band! Take that, Donavan!
Panels from Showcase #82 (May 1969), script by Denny O'Neil, pencils by Jerry Grandenetti, inks by Dick Giordano