Numismatic Guaranty Company

When NGC was founded in 1987, it heralded the introduction of a new standard of integrity in coin grading. From the beginning NGC focused on only one objective, a standard of consistent and accurate grading.

About NGC

As NGC has grown to become the leader in third-party grading services, we have maintained a steadfast and uncompromising commitment to this standard. The knowledge, integrity and dedication of NGC’s team of numismatic professionals ensures you a level of grading consistency unparalleled among grading services. This record of consistency, built over the years, has helped to foster greater stability throughout the rare coin marketplace.

NGC Guides & Services

Learn More About NGC

Numismatic Guaranty Company (NGC) has released a video that highlights the benefits of NGC certification and other ways NGC has helped the numismatic hobby.

NGC is committed to accuracy, consistency and integrity. These principles have led NGC to become the world’s largest third-party coin grading service, with more than 45 million coins certified since it was founded in 1987

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Numismatic Guaranty Company (NGC)

Counterfeit Detection: Altered Date 1814 Large Cent

By Numismatic Guaranty Company (NGC) ......   The Classic Head Cent was a short-lived seven-year series from 1808 to 1814, with a few commonly recognized varieties...
NGC on Global Growth, Technology, and New Grading Scale: An Interview with Mark Salzberg

NGC on Global Growth, Technology, and New Grading Scale: An Interview...

On October 17, CoinWeek published a lengthy interview with CAC founder John Albanese in which we discussed the formulation of PCGS, NGC, and CAC;...
Counterfeit Coin Detection - Altered Date 1856 Flying Eagle Cent

Counterfeit Coin Detection – Altered Date 1856 Flying Eagle Cent

Genuine 1856 Flying Eagle Cent   The Flying Eagle Cent by Max Spiegel – Numismatic Guaranty Corporation ......   The 1856 Flying Eagle cent is an important and...

Counterfeit Coin Detection – 1900-S $5 Half Eagle

This Middle Eastern counterfeit coin lacks the details of a genuine 1900-S Half Eagle.   Counterfeit Coin Detection by Numismatic Guaranty Company (NGC) ......   When we think of...
CoinWeek Streaming News: Let’s Talk High-End Eisenhower Dollars (w/ James Sego)

CoinWeek Streaming News: Let’s Talk High-End Eisenhower Dollars (w/ James Sego)

  CoinWeek Streaming News is brought to you by NGC. For information about NGC’s current grading specials and services, as well as to look up certs,...
Grading Coins

Jeff Garrett: The Art of Submitting Rare Coins for Grading

Here's an in-depth guide on how to submit your coins to NGC in the most efficient and cost-effective way possible   By Jeff Garrett for NGC...

Counterfeit Detection: Special Edition – Reprocessed Steel Cents

Make sure you don't get fooled by these steel cents, which are not eligible for NGC certification.   In the United States during World War II,...
NGC Counterfeit Detection: 1809 Large Cent

NGC Counterfeit Detection: 1809 Large Cent

This fake has problems with both its weight and its composition   By Numismatic Guaranty Company (NGC) ......   The United States Mint issued the Classic Head Cent...
Jeff Garrett: At Coin Auctions, It Pays to Have an Expert by Your Side - NGC

Jeff Garrett: The Importance of Professional Collecting Advice

By Jeff Garrett for NGC (Numismatic Guaranty Corporation) ......   Several years ago, while attending the Whitman Baltimore Convention, I had the pleasure of spending some...
NGC Counterfeit Detection: 1908 Quarter Eagle

NGC Counterfeit Detection: 1908 Quarter Eagle

The problems with this low-quality fake start with a glaring error   By Numismatic Guaranty Company (NGC) ......   The Indian Head Quarter Eagle series that began in...

Jeff Garrett: The Misunderstood Gobrecht Silver Dollar

  Gobrecht Silver Dollars by Jeff Garrett for NGC (Numismatic Guaranty Corporation) ......   The Gobrecht silver dollar is a complicated yet fascinating series. At first glance, many...
NGC Counterfeit Detection: 1884-CC Morgan Dollar

NGC Counterfeit Detection: 1884-CC Morgan Dollar

By Numismatic Guaranty Company (NGC) ......   The 1884-CC was once considered one of the greatest rarities of the Morgan Dollar series. However, the GSA sales...
NGC Introduces King Charles III Special Label

NGC Introduces King Charles III Special Label

As a new era commences for the English monarchy, The Royal Mint is releasing memorial coins featuring the late Queen and, for the first...

Sedwick Auctions Offers Rare Venezuelan Coin Certified by NGC

Other vintage NGC-certified gold coins from Latin America are also highlights of the Daniel Frank Sedwick Auctions on November 3-4, 2022   A large collection of...
NGC Counterfeit Coin Detection: Walking Liberty Half Dollars

NGC Counterfeit Coin Detection: Walking Liberty Half Dollars

A fistful of what appeared to be vintage silver coins turned out to be fakes   A couple of years ago, NGC received a submission of...