Check those attics carefully, people!
More: http://www.bbc.co.uk/news/world-us-canada-17136642
A "jaw dropping" collection of early comic books has sold for $3.5m (£2.2m) at auction in New York.
The trove of 345 comics had been bought by the late Billy Wright from Virginia when he was a boy.
A copy of Detective Comics No. 27, which sold for 10 cents in 1939 and featured Batman's debut, got the top bid on Wednesday - raising $523,000.
More: http://www.bbc.co.uk/news/world-us-canada-17136642