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 ...

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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 ...

Tiny flaws can sink a coin’s value fast. Learn which details collectors spot instantly and why seemingly valuable coins often ...

From early U.S. mint issues to legendary auction sales, these silver dollars stand among the most valuable that collectors ...