You also need to know what constitutes a rare coin. Coins gain value when they meet the following criteria, according to the International Precious Metals website: They are no longer being ...

Most coins are worth their face value, but others are different story. Coin collectors seek rare currencies often valued at a small fortune or greater. “This iconic coin set a world record when ...

The difference with rare coins, however, is that they almost never go down in value, which means you don’t have to worry too much about losing money on them. The main exception would be if a ...

Not so for these numismatic nickels, however. Coveted by collectors due to their rarity and value on the secondary market, the following American coins could fetch a handsome sum — should you ...