This is an amazing Uncanny X-Men #171 comic book from 1983, graded 9.4 by Certified Guaranty Company (CGC). The comic book is a first printing and key issue, with a beautiful cover art by Walt Simonson. The story follows the adventures of the X-Men as they battle it out in the Marvel (MCU) universe. The certification number is 4060150003 and have never been pressed.