Adventure Comics #300 Bronze Age There may be exceptions for

There may be exceptions for comics that are unusually heavy even though they fit within the size parameters

you automatically increase its value

CGC is globally recognized and accepted by every comic collector when selling

You will receive your comics back 3-4 months later

but this is rare

Adventure Comics #300 Bronze Age There may be exceptions forGrade 5. 0 by CBCS Era Silver Age Published 09. 1962 Writer Jerry Siegel & Edmond Hamilton Artist George Papp, John Forte & Al Plastino Cover Curt Swan & George Klein Special Feature Off White to White pages, Mon El joins the Legion, Tales of the Legion of Super Heroes series begins, Lex Luthor appearance