Have you ever stumbled upon an old coin and wondered, “Is this worth anything?” You’re not alone! Thanks to modern technology ...

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 ...

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 ...

Les Perelman, a researcher at the Massachusetts Institute of Technology, has been doing some interesting experiments to test the capacity of computerized grading systems to accurately judge the ...

Ever found an old coin and wondered what it is or how much it's worth? You're in the right place! We've personally tested the top 10 coin identifier apps available today—from smart AI tools that ...