This is a rare and valuable single issue comic book from The Uncanny X-Men series, featuring issue number 221. It includes the first appearance of the iconic villain Mr. Sinister and showcases main characters Storm, Wolverine (Logan), and Havok. The comic is a first printing, 1st edition, and key issue with a cover art by Marc Silvestri and written by Chris Claremont. This vintage piece is in excellent condition with a grade of 9.2 Near Mint-. The certification number is 4358559010 by the Certified Guaranty Company (CGC). This comic book is perfect for general audience who love action, superheroes, and adventure genres.