The product is a vintage single issue comic book from DC Comics, specifically Batman Detective Comics #621 from September 1990 during the Copper Age. The comic features the character Batman and was written by Alan Grant with artwork by Norm Breyfogle. This US comic is part of the DC Universe and is a must-have for collectors of superhero comics from the 1990s. With its colorful style and iconic cover by Norm Breyfogle, this issue is a valuable addition to any comic book collection.