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 ...

Coin collecting can be very daunting at times, but the authors of these books have given numismatists the knowledge they need to guide themselves through the world of coins. Making sure to include as ...

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 ...

I've spent considerable time testing the best coin identifier apps to find which ones actually deliver on their promises. Many apps claim accuracy but fall short when you need them most. This honest ...