The product is a single issue comic book titled Domino #1, signed by writer Gail Simone. This exclusive retailer variant features a cover by artist Soo Min Seong and includes a Certificate of Authenticity (COA). The comic belongs to the X-Men universe under the Marvel Comics publisher, with the story titled "Killer Instinct." This modern-age superhero genre comic book, first published in 2018, is a must-have for fans of the X-Men series and collectors of comic books.