The product is a vintage comic book, Who's Who: Definitive Directory DC Universe Update '87 #4, from 1987 by DC Comics. This single issue features characters such as Metallo, Lois Lane, Power Girl, Question, and Mon-El within the DC Universe. With a colorful style and action-packed genre of superheroes, this comic book is part of the Copper Age era and is a first printing, boarded variant cover.