The X-Force #1 comic book from Marvel Comics in 1991 features artwork by Rob Liefeld and writing by Liefeld and other notable creators. This single issue is part of the X-Force series and includes the character Cable. As a first printing with a negative UPC error still sealed with a card, this collector's item holds significant value for fans of US Comics and enthusiasts of the Modern Age era of comics. Signantly, this comic book is signed by Rob Liefeld, adding to its appeal for collectors looking for unique and rare pieces in the world of comic book memorabilia.