The product is a vintage comic book titled "JUSTICE LEAGUE OF AMERICA #22 Sept 1963" featuring the first appearance of the Crisis on Earth One & Two storyline that would become the Crisis On Infinite Earths.A continuous yearly storyline.Written by Gardner Fox and illustrated by Mike Sekowsky, this issue falls within the Silver Age era of US Comics. Comic is in very solid condition, as a Very Good,4.0. Published by DC Comics, this collectible is a valuable addition to any comic book collector's arsenal as it showcases a pivotal moment in the history of the Justice League of America superhero team.