There's a possibility your coin stash is worth an absolute fortune – but only if you own this unique penny. One avid ...

He said: “These rare error coins were never meant for circulation and most were included in special sets making them ...

The expert said: "These rare error coins were never meant for circulation and most were included in special sets making them ...

John Feigenbaum, publisher of the rare coin guide "Greysheet," told USA TODAY that rare coins are hard to come by. The publisher said that most valuable coins are "sold and resold" publicly from ...