According to Pearlman, most people begin their collecting journey with everyday coins found in circulation. But knowing what to look for is what separates a coin collection from just a collection of ...
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 ...