The Silver Surfer Black #1 comic book, published by Marvel Comics in 2019, features the first appearance of Knull Sentries. Written by Donny Cates and with a variant cover by Nick Bradshaw, this single issue falls under the genre of superheroes and is part of the Marvel Universe. As a key issue with a 1:50 incentive variant, it is a highly sought-after collectible for fans of the Silver Surfer and Fantastic Four superhero team. With a grade of 9.6 Near Mint+, this comic is a valuable addition to any comic book collection.