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 ...

All collectibles have one thing in common that determine their value, and that is condition. A given collectible will be more valuable in better condition. Take Star Wars action figures where a loose, ...

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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 ...