X-Men #1 is a Silver Age grail that features the first appearance of the X-Men, including Cyclops, Beast, Angel, Marvel Girl and Iceman, as well as the first appearances of Professor X and Magneto. The story opens with Professor X telepathically calling to his first mutant class at Xavier’s School for Gifted Youngsters in Westchester County, New York. When the Beast, Angel, Iceman and Cyclops arrive, Professor X puts them through a series of exercises to hone their mutant talents. The issue also introduces archenemy Magneto and his Brotherhood of Evil Mutants featuring Mastermind, Quicksilver, Scarlet Witch and Toad. Our X-Men #1 is graded 9.2 by CGC - one of 19 in the world.