research tools from ngc
Complete Catalog of U.S. Coins
Known as the NGC Coin Explorer, this catalog is the most comprehensive reference for United States coins. Included are images and specifications for every U.S. coin, including mintage figures and current melt values for all gold, silver, and platinum coins. Detailed descriptions with insightful analysis are available for almost every coin. NGC certified populations are also displayed in simple chart and graph formats.
Counterfeit Detection Resources
To help collectors and dealers identify counterfeits, NGC has prepared lists of the most commonly counterfeited coins with diagnostic information and images from NGC’s extensive database, as well as commentary from the NGC grading team.
Known as the NGC online census, this price valuation guide is updated weekly and provides population data for U.S. and World coins certified by NGC. Clicking on the desired category will open that particular selection, and further options for obtaining more detailed information will appear.
U.S. Coin Price Guide
The NGC U.S. Coin Price Guide is a comprehensive online resource for U.S. coin values and more.
NGC Auction Central lists past and future auctions of NGC-certified United States coins. You can easily navigate sales from some of the world's largest numismatic auction houses. This powerful search tool helps you research prices realized, and find upcoming auctions of your favorite coins.
Verify NGC Certification
This tool will allow you to enter the certification number of an NGC coin and look up the details of that coin in the NGC database.
Coin Grading Guide: From 1 to 70
NGC Research Director David W. Lange, looks at the entire series of U.S. coins, on a type-by-type basis, providing tips on how each coin type is graded and qualities to seek in selecting optimum examples.
NGC created this alphabetical glossary of common numismatic terms that you may encounter on the NGC certification label and elsewhere on the website.