Coin grading is the process by which a certified numismatist determines the grade, or physical condition, of an existing coin. Once the grade is determined, the value of the coin can then be ...

GRAND RAPIDS, MI - A Grand Rapids-based inventor has developed a first-of-its-kind device designed to transform how collectors grade and value their coins. The OCS200, created by Richard Colonna of ...

Q. We need to determine the value of a modest collection of coins from my mother's estate. How significant is an appraiser's membership in the ANA? —A.C., Shrewsbury, N.J. A. A dealer's or appraiser's ...

In coin collecting, understanding what makes a coin rare and valuable is key to to flipping it. To get your coin-flipping side hustle started, read on.