‘Superman #1’ copy found in attic becomes most expensive comic ever sold CTV NewsSuperman copy found in mum’s attic is most valuable comic ever at $9.12m BBCComic Found by Chance Sells for $9M in Record Auction The Daily Beast‘Superman’ No. 1 from 1939 auctioned for a record-breaking $9.12M Yahoo News CanadaLook, Up in the Attic! It’s a Multimillion-Dollar Comic! The Hollywood Reporter
