The product is a DC Batman comic book issue #366 from the 1980s featuring a classic Joker cover by artist Walt Simonson. This key issue marks the debut of Jason Todd as Robin in the Batman series. The comic belongs to the Copper Age era of US Comics and is published by DC Comics. With a estimated grade of 5.0 Very Good/Fine, this collectible comic is a valuable addition to any collector's library, featuring iconic characters like Batman and the Joker.