X-Men #40. Origin of Cyclops. Frankenstein Cover. CGC 8.0

CGC graded 8.0 X-Men #40. 

Published by Marvel Comics in January of 1968.

OFF-WHITE Pages.

Origin of Cyclops.

Roy Thomas story.

Don Heck, George Tuska, Werner Roth & John Verpoorten art.

George Tuska cover.