X-Men #19 CGC 9.0 1st Appearance and Origin of Mimic, 1st cameo appearance of Galactus (Cert 5015)

Why it's Hot:

• 1st appearance and origin of Mimic 
• 1st cameo appearance of Galactus
  

Synopsis:

Story by Stan Lee. Art by Werner Roth and Dick Ayers. Cover art by Jack Kirby, Werner Roth and Dick Ayers.