FANTASTIC FOUR #1 (1961 - MARVEL) - KEY ISSUE - GRADED 2.5 by CGC - Origin and First appearance of the Fantastic Four - Mr. Fantastic, The Thing, Invisible Girl, and the Human Torch + Marvel's first super-hero team + Origin and First appearance of Mole Man - Stan Lee story with Jack Kirby cover & interior art - Flat/Unfolded - CGC 2.5 Cream to Off-White Pages - Presented Slabbed & Sealed - This issue is currently ranked as the #3 most valuable book on Overstreet's list of Top 50 Silver Age Comics, and is one of the fastest-appreciating issues in the Top 10 largely due to their promised appearance in a future production in Marvel Cinema Universe (MCU).