The value, according to Bob Overstreet , publisher of the Overstreet Comic Price Guide, could be as high as half a million dollars.

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Since the best books rarely trade, the industry depends heavily on data from price guides like the highly informative Overstreet Comic Book Price Guide.

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Vaughn, the associate publisher of The Overstreet Comic Book Price Guide, an annual publication considered the authority on comic book pricing, said the Action Comic No. 1 book sold Monday is worth every penny.

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