‘Superman #1’ copy found in attic becomes most expensive comic ever sold | CNN
‘Superman #1’ copy found in attic becomes most expensive comic ever sold | CNN
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‘Superman #1’ copy found in attic becomes most expensive comic ever sold | CNN

A copy of the first ever issue of “Superman,” discovered in a Californian attic last year, has become the most expensive comic ever sold, fetching $9.12 million at auction.