This is an exciting and rare vintage US Comics book, Superboy 58 from the Silver Age era (1956-69). The comic features the iconic superhero team LEGION OF SUPER HEROES and World's Finest. It is a first printing, single issue, in English language, and has a color style. The cover art is done by Curt Swan and the story title is "The Great Kryptonite Mystery". The comic book is in very good+ condition, graded at 4.5, with no inscriptions or personalization. This collectible item is published by DC Comics and belongs to the Superboy series title. It is not signed and does not come with an ex libris. The comic is intended for a general audience and is a must-have for any fan of superheroes and comics.