The product is a Fantastic Four #49 comic book from 1966, graded 8.5 Very Fine+ by Certified Guaranty Company (CGC). This single issue features the first full appearance of Galactus and the second appearance of the Silver Surfer, both characters created by Stan Lee and Jack Kirby. As part of the US Comics tradition and published by Marvel Comics, this comic book is a key issue in the Marvel Universe (MCU) and is a highly sought-after collectible for fans of superhero teams like the Fantastic Four.