This highly sought-after issue of Uncanny X-Men #221 from 1987 features the first appearance of the iconic villain Mister Sinister and is signed by writer Chris Claremont. It has been professionally graded by Certified Guaranty Company (CGC) with a grade of 9.8 Near Mint/Mint and comes with a certification number of 2751288005 for authentication. This single issue comic book is in the US Comics tradition and is part of the Marvel (MCU) universe.

The cover art is done by Marc Silvestri and the comic book features the characters Wolverine (Logan), Havok, and Mister Sinister. The Superhero Team is X-Men and the era of the comic book is Copper Age (1984-1991). This collectible item is a must-have for any fan of superheroes and comics and is perfect for adding to your collection.