The product is a vintage DC Comics single issue titled "SGT Rock #322: Rock Meets 'The Killer'", published in 1978 by DC Comics. Illustrated by Joe Kubert, this comic book is part of the Sgt. Rock series within the DC Universe and is aimed at a general audience. The story combines elements of war and comics, reflecting the tradition of US Comics. This collectible item is a key piece of American comic book history, showcasing the iconic character Sgt. Rock in a dynamic and action-packed storyline.