M organ's Dollars and Peace Dollars — often just called "silver dollars" — are the most collectible coins in the world outside of the Lincoln penny. They're also some of the rarest and most ...

The silver dollar: it's not just a theme park in Missouri, or an old-timey reference in a 1985 Oingo Boingo song. It's legal U.S. tender -- or, at least it was, for a time. The United States ...