The product is a Detective Comics issue #737 CGC 9.4 featuring Batman and Harley Quinn from the DC Universe. This comic, a part of the Modern Age era, was published by DC Comics in 1999. It belongs to the superhero genre and is a first printing with artwork by Rodolfo Damaggio and a story titled "The Code, Part 2." This single issue comic is a valuable collectible for fans of Batman and the DC Universe.