When investing in or collecting coins, understanding the difference between circulated and uncirculated coins is crucial. These terms refer to a coin's condition, history, and value, which can ...

Coin books filled with pennies from all the states were spread across the table. Next to them, the Red Book — a.k.a. the coin bible, or the definitive, annually updated price guide for US coins — sat ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...