This is an exciting issue of Uncanny X-Men, featuring the climax of the Proteus Mutant X saga. The comic has been professionally graded by Certified Guaranty Company (CGC) and received a grade of 9.6 Near Mint+. It is a single issue with a certification number of 0215403012, and is a first edition with key issue and first character appearance features. The comic is in English language and belongs to the US Comics tradition. It was published by Marvel in 1979 during the Bronze Age (1970-83) era, and is intended for a general audience. The comic book is a collectible item and is ideal for fans of superheroes and the Marvel (MCU) universe.