The Amazing Spider-man Issue 300 May 1988 For Sale

I was going to get this graded. But when they are they are permanently sealed. I am not a professional grader, not a professional collector. This comic book to me seems to be in very fine condition.
The Amazing Spider-Man Issue 300 from May 1988 is a vintage comic book featuring the superhero team, Avengers. This single issue is a Newsstand Variant signed by Stan Lee and graded by Certified Guaranty Company (CGC). With a colorful style and artwork by Todd McFarlane, this collectible comic book from Marvel Comics belongs to the Copper Age era and is a part of the Marvel Universe. The story, \"Amazing Spider-Man: Venom Inc.\", is aimed at a general audience and is a must-have for fans of superheroes and comic book collectors.