Popular Topics
What is PCGS?
Professional Coin Grading Service (PCGS) is a leading third-party coin authentication and grading service.
What is NGC?
Numismatic Guaranty Company (NGC) is a major third-party coin grading and certification service.
Coin Grading Guide
Understanding how coins are graded on the Sheldon scale from 1-70.
MS-65 Grade Explained
MS-65 represents gem uncirculated quality, a popular collecting standard for type coins.
Morgan Dollar Guide
The Morgan Dollar was minted 1878-1921 and is one of America's most collected coins.
Saint-Gaudens Double Eagle
The Saint-Gaudens $20 Gold Double Eagle is considered America's most beautiful coin.
Coin Toning Explained
Toning is the natural or artificial coloration that develops on coin surfaces over time.
Building a Type Set
A type set includes one example of each major design type in a coin series or denomination.