The product is a highly collectible comic book, X-FACTOR #10, which features the first appearance of the character Sabretooth in the Mutant Universe. Published by Marvel Comics in 1986 during the Copper Age, this first printing has been professionally graded by Certified Guaranty Company (CGC) as a 9.8 Near Mint/Mint. With the superhero team being the Riddler, this comic book is a valuable addition to any comic book collection for fans of the X-FACTOR series.