Coin Value Checker launches sophisticated coin grading and valuation services, leveraging cutting-edge technology to provide accurate assessments for a broad spectrum of coins, including Pennies, ...

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 ...

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The higher in value a collectible—a sports card, coin or autograph, for example—is, the more vulnerable it becomes to counterfeiting. With that in mind, Collectors Universe, located in Santa Ana, ...