Legion of Monsters #1 CGC 6.5. Marvel 1975. 1st appearance and Origin of Legion of Monsters. 1st MANPHIBIAN!
Neal Adams Cover!
Marvel Preview #8 CGC 8.5. Marvel 1976. 3rd Legion of Monsters. Blade appearance
Predates Marvel Premiere #28 by five months.
CGC books are wrapped in plastic then cardboard then bubble wrap before being shipped priority mail.