This is a highly collectible comic book titled "Detective Comics #477" with a CGC 9.2 rating. It was published in 1978 during the Bronze Age of US Comics by DC Comics. The comic features popular superheroes such as Batman (Bruce Wayne), Superman (Illusion), and Robin (Dick Grayson) (Illusion). The story is written by Marv Wolfman, Glynis Oliver, Len Wein, and illustrated by Neal Adams, Marshall Rogers, and Dick Giordano. The cover art is done by Marshall Rogers, Dick Giordano, and Tatjana Wood. The comic also introduces Clayface (Preston Payne) in a cameo appearance.