If you collect U.S. coins and want to know what they're actually worth, CoinKnow is the stronger coin scanner app. If you ...

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 ...

First strike coins: What are they and who deems them worthy of such a title? Also, why do collectors want to get their hands on them? First strike coins are simply just that, the very first of a new ...

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 ...