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 ...

That dusty jar of old coins in your closet might be hiding a fortune. But how do you find out without paying hefty appraisal fees? The answer fits right ...

CoinKnow provides comprehensive valuations using recent auction data from Heritage Auctions and Stack's Bowers, updated monthly. Coinoscope's value estimates are vague and unreliable, often varying ...

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 ...

If I stumble on an old coin or bill in a drawer, my first instinct might be to clean it up or rush to sell it, but those snap decisions can quietly erase hundreds or even thousands of dollars in value ...

MANILA, Philippines — The Professional Coin Grading Service (PCGS), an authentication and grading company for high-value collectibles, joined the Minted MNL Summer Show and Auction held earlier this ...