Numismatic Guaranty Corporation

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 Corporation® (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 Corporation (NGC)

Counterfeit Coin Detection – Australian Gold Sovereign of 1917 From...

NGC graders recently identified a fake 1917 gold sovereign with the “P” mintmark of the Perth Mint in Australia.   By Max Spiegel - Numismatic Guaranty Corporation...
The 1909-S VDB Lincoln Cent and How It Changed the Hobby: CoinWeek Streaming News

The 1909-S VDB Lincoln Cent and How it Changed the Hobby:...

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,...

Jeff Garrett: US Gold Coins Coming Home

In the last few years, the amount of US gold coins arriving from overseas sources has risen dramatically   By Jeff Garrett for Numismatic Guaranty Corporation...

NGC-Certified English Gold Coin Realizes Over $300,000 in Spink Sale

A rare English gold coin struck during the reign of Queen Anne and certified by Numismatic Guaranty Corporation (NGC) realized over $300,000 – more than double...

Royal Mint Partners With NGC to Offer Certified Coins

The Royal Mint, the official mint of the United Kingdom, has partnered with Numismatic Guaranty Corporation (NGC), the world's largest third-party coin grading service. For...

NGC-Certified English Gold Coins Showcased in Spink Sale

Numismatic Guaranty Corporation (NGC) has certified over 200 outstanding English gold coins that are now being offered in the Stratos Sale of Spectacular English Gold...
Collecting US Pattern Coinage - Jeff Garrett for NGC

Jeff Garrett: Collecting US Pattern Coinage

Assembling a complete set of US Pattern coins is an impossible task, but there are several collecting strategies that make these fascinating coins more...

Jim Bisognani: Early Fall Surprises in the Coin Market

With US, world, and ancient coins all in demand, the collecting options are endless   By Jim Bisognani – NGC Weekly Market Report ......   As this article...

Counterfeit Coin Detection – 1893-O Morgan Silver Dollar

Counterfeit Coin Detection by Ben Wengel - Grader, NGC ......   A recent 1893-O Morgan Dollar submission was confirmed a counterfeit when NGC graders identified one...
$20 bill - Oh, how you've changed! CoinWeek Streaming News and NGC

$20 Bill Changes Since 1976: CoinWeek Streaming News

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,...

NGC Releases Image Gallery, Video for Partrick Collection

Numismatic Guaranty Corporation® (NGC®) has updated its image gallery of the Donald G. Partrick Collection with more than 1,000 additional coins, tokens, and medals,...

Jeff Garrett: Consider Collecting Colonial Coins

The possibilities for collecting colonial coinage are as endless as the coins are fascinating   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   A few weeks...

Jim Bisognani: How Are New Highs for Gold Affecting the Coin...

Numismatic experts weigh in on the "gold rush" of 2020   By Jim Bisognani – NGC Weekly Market Report ......   Gold trading above $2,000 is truly a...

PMG Announces Two Certified Paper Money Labels in New Format

Paper Money Guaranty® (PMG®) is now offering two attractive special labels that fully embrace its recently released fourth-generation holder and label design. One label...

An American First – NGC Celebrates the 2020 Colorized Basketball...

On August 28, the first colorized coins ever produced by the United States Mint are being released: a Basketball Hall of Fame 2020-S Colorized Half...