Almost the most expensive comic book sold!
A copy of super heroes comic book was sold for US$0.1 in 1938.
Now recently it was sold again at eBay for US$3200000! Almost the most costly one!
Darren Adams in USA Washington runs a second-hand comic book store. He posted his "Action Comics" the first edition to eBay, the base bid price was US$0.99.
He had been keeping his "Action Comics" the first edition in very good shape. Some sources estimated that there are only 50-100 copies of "Action Comics" the first edition in existence.