The Justice League of America #55 comic book from DC Comics, released in August 1967, features the first appearance of Earth-2 Robin, also known as Nightwing. The story, written by Gardner Fox and illustrated by Sid Greene and Mike Sekowsky, brings together various members of the Justice League of America including Wonder Woman, The Flash, and Green Lantern. With a grade of 5.0 Very Good/Fine, this Silver Age comic book is a valuable collectible for fans of superhero comics and vintage comic book art.This copy has a strange printing error.Two extra staples on the main book,then 2 for the cover.Not added later.See pics.