Certain John F. Kennedy 50-cent collectible coins can sell for six figures, so make sure that you know the features are in case you have one.

Real Values May Not Match Book Prices (Even For Graded Specimens) If you see a “high extra leaf” on the corn, hold on to that coin — because the tiny little leaf is not supposed to be there.

"Here are the ones to look out for." The first coin he showcased was, until recently, the rarest 50p coin in the UK. This 2009 coin features an image of the renowned pergola at Kew Gardens on its ...