X-Men #7 CGC 9.0 1st Appearance of Cerebro, 2nd Appearance of the Blob, Cover art by Jack Kirby and Chic Stone (Cert 0028)

Why it's Hot:

• 1st Appearance of Cerebro, a machine that amplifies Xavier's abilities
• 2nd Appearance of the Blob
  

Synopsis:

The X-Men face the returning Blob while Magneto and the Brotherhood set a trap, and Professor Xavier introduces Cyclops to Cerebro before leaving him in charge. Written by Stan Lee. Art by Jack Kirby and Chic Stone. Cover art by Jack Kirby and Chic Stone.