The most valuable lunchboxes tend to be the ones from the 1950s through the 1980s, but if you have one from the 70s it's worth looking ... you have a copy of Action Comics #1 (featuring the ...

A rare edition of a comic in which Superman made his first ever appearance has sold for a record $3.25 million (£2.8m). It means the issue of Action Comics #1, which sold for 10 cents when it was ...