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Research Tools from NGC


From the offical ANA Grading Service are a variety of very useful research tools to help the numismatic community be more informed collectors.  Find a variety of tools below, all of which will take you to the NGC website -


NGC Coin Explorer

The NGC Coin Explorer is the most comprehensive reference for United States coins. This complete catalog has images and specifications for every US 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. 

Go to NGC Coin Explorer


NGC Census

The NGC online census, updated weekly, provides population data for US 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.

 Go to NGC Census


Price Guides

The NGC US Coin Price Guide, World Coin Price Guide, Chinese Modern Coin Price Guide, World Gold Coins Value Guide and Coin Melt Values are your comprehensive online resources for coin values and more.

Go to Price Guides


Auction Central

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, all in one place.

Go to Auction Central


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.

Go to Verify NGC Certification


Coin Grading Guide: From 1 to 70

NGC Research Director David W. Lange, looks at the entire series of US coins, on a type-by-type basis, providing tips on how each coin type is graded and qualities to seek in selecting optimum examples.

 Go to the Coin Grading Guide



NGC maintains a comprehensive guide to the varieties we recognize on our Web site. Specific coin details are a benefit of paid NGC Collectors Society membership. Click on any of the series below to see a comprehensive list of NGC recognized varieties.

Go the VarietyPlus®


Coin Details Mobile App

Free and easy to use, NGC Coin Details combines the best of our research suite into one mobile app. Scan the barcode on any NGC® coin label with your iPhone® or Android™ device, and verify NGC certification.

 Get Mobile App


Numismatic Bibliography

NGC's research department uses many resources when researching information for VarietyPlus and the Coin Explorer, you can search through the Reference used from this page.


Go to Bibliography



NGC created this alphabetical glossary of common numismatic terms that you may encounter on the NGC certification label and elsewhere on the website.

 Go to Glossary