The product is a vintage US comic book titled "Uncanny X-Men #137". It is a single issue format with color style and first printing features. The comic book is published by Marvel and is part of the Uncanny X-Men series. The main character is Jean Grey and the superhero team is X-Men. The issue number is 191 and it was published in 1985 during the Copper Age era. The comic book features the death of Jean Grey and the first appearance of Nimrod. It is intended for a general audience and is a collectible item.