The most expensive copy ever sold went for $138,000 ... A 9.0 grading may have also been the 80-year-old comic’s selling point when it sold in 2011 at auction. You wouldn’t know it just ...

but the slow appreciation in value of the characters has made comics some of the most valuable commodities in the world. With the audience for these heroes at record highs, it's no wonder some ...

Digg video editor Bryan Menegus trekked through the show floor to find all the most ridiculously expensive comic book and sci-fi memorabilia available, and it’s honestly hard to believe that ...

Action Comics #1, in which Superman made his debut, is still considered the most valuable comic book in the world. In 2014, a copy of the classic comic sold for over $3 million! There are roughly ...

A super rare comic book has been sold at auction for a world record price of more than $6 million (£4.75 million). The copy of Action Comics No. 1, released back in 1938, features Superman's ...

This article is part of Collector’s Digest, an editorial series powered by: Fifty years ago, there was a line of comics so terrifying that it changed the comic book industry… forever.

It means the issue of Action Comics #1, which sold for 10 cents when it was released in 1938, is the world's most valuable comic book. The comic includes the story of Superman's origins and is ...

For an 80-year-old, this one's still going strong: shooting lasers out of its eyes, adventuring through space, saving the world in a metal suit. But this pensioner is Marvel Comics, which is ...

even though they are extremely expensive. Opinions expressed by Forbes Contributors are their own. I travel the world reporting on emerging markets and China overseas. An average 80 square meter ...

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Read on to see which 10 startups from around the world have become the most valuable private firms, according to an analysis of Carbon Finance, CB Insights, and Bloomberg data by Visual Capitalist.