Strange Tales #73 (Graded)

Prototype issue (Ant-Man). Cover pencils by Jack Kirby, inks by Bill Everett. "Grottu, King of the Insects!", pencils by Jack Kirby, inks by Bill Everett; A journalist and an archaeologist go to Africa and find an atomically mutated giant ant with super-intelligence; The giant ant tries to lead an army of insects to world conquest. "I Saw the End of the World!", art by Steve Ditko; A scientist builds a time machine and uses it to travel into the future against the advice of his peers; He finds that time is an infinite loop. "The Tree" text story. "I Was Captured by the Mole Men!", art by Don Heck; A subway train full of people is hijacked and held by a subterranean race; The police fight the creatures and retrieve the train. "I Am a Walking Time Bomb," art by Paul Reinman; A robot is sent to Earth by alien conquerors to force them to surrender or be destroyed. 36 pgs., full color.