Collectors' questions span everything from selling and grading coins to famous U.S. coin designs and Mint policy.

Rare coins, mint errors and key dates could turn everyday pocket change into big money. Learn what to look for.

There's something quietly happening in the world of coin collecting that most people are completely unaware of. Coins that ...

While most of the coinage one encounters in everyday life is worth only face value, some truly rare nickels from the past could fetch sky-high prices.

Cleaning and restoring coins can be done so well that after one or two hundred years, it is hard to find a collectible precious metal coin that has not been cleaned at some point. The coin dealer can ...