The product is a vintage copy of DC Comics Batman #140 from June 1961, featuring appearances by iconic characters such as The Joker, Batwoman, and Superman. The story involves various villains like the Yellow Sweater Gang and the Four Assassins, along with supporting characters like Robin and Alfred Pennyworth. With a cover by Sheldon Moldoff and art by Henry Boltinoff, this Silver Age comic is a must-have for collectors of US Comics in the superhero genre.