Celebrate the landmark 50th anniversary of The Overstreet Comic Book Price Guide with this special facsimile edition of the famous, rare blue cover 1971 edition, the second printing of the first Guide from 1971, complete with minor corrections and additional vintage advertisements. How different were things back then? Action Comics #1, now worth more than $3 million, was the most expensive listed comic in 1971 for just $300! And that's just one example!.