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)

PMG-Certified Rare British Banknotes From Dauer Collection Offered in Spink

Rare British banknotes that Paper Money Guaranty (PMG) certified from the world-renowned collection of Drs. Joanne and Edward Dauer are being offered in an...

Coin Collecting Strategies: Cherry Picking

Nearly every series offers something for the cherry picking specialist   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   There are few things in coin collecting...

Counterfeit Coin Detection: US Gold 1911-D Quarter Eagle

Counterfeit 1911-D Quarter Eagle   By Max Spiegel - Numismatic Researcher, Numismatic Guaranty Corporation (NGC) ......   The 1911-D is the key Indian Head quarter eagle. Read...

NGC Exclusive Partnership and Special Label for 2021 National Law...

Numismatic Guaranty Corporation (NGC) has announced an exclusive partnership with the National Law Enforcement Memorial and Museum to offer collectors a special certification label...
Jeff Garrett: Collecting 1921 Morgan and Peace Dollars

Jeff Garrett: Collecting 1921 Morgan and Peace Dollars

There’s more to these historic coins than you might think   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   This year marks the 100th anniversary of...

NGC-Graded Russian Coin Realizes $2.64 Million, Quadruple Its Pre-Auction Estimate

An incredibly rare Russian pattern coin certified by Numismatic Guaranty Corporation (NGC) dazzled the coin collecting world by realizing $2.64 million USD at a Stack’s...

Counterfeit Coin Detection – The 1924-S Standing Liberty Quarter

Counterfeit 1924-S Standing Liberty Quarter Counterfeit Coins By Numismatic Guaranty Corporation (NGC) .....   As we’ve said in previous Counterfeit Coin Detection columns, no US coinage issue...

Jeff Garrett: Cryptocurrency, Non-Fungible Tokens and the Rare Coin Market

By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   For several years now, I have joked that people know so little about Bitcoin that they...

$250 Indian Head Cent / Wheat Cent Grab Bag

By CoinWeek .....   In this episode of CoinWeek Streaming News, CoinWeek Editor Charles Morgan cracks open a bag of over 150 mixed date small cents...

Extremely Rare Edward VIII Gold 5 Sovereign Among NGC Rarities in...

An extremely rare Edward VIII Gold 5 Sovereign pattern coin certified by Numismatic Guaranty Corporation (NGC) stands at the top of a stunning group...

NGC and NCS Appoint NAC an Official Submission Center in Europe

Numismatic Guaranty Corporation (NGC) and Numismatic Conservation Services (NCS) have appointed Numismatica Ars Classica (NAC) of Milan, Italy an Official Submission Center in Europe. As an...

Counterfeit Coin Detection: Spark Erosion 1858 Flying Eagle Cent

Spark erosion counterfeit coins aren't made very frequently anymore because they are easy to spot once you learn how. Spark-Erosion Counterfeit 1858 Flying Eagle Cent By...

Jeff Garrett: An Inside Look Into a Numismatic Career

Heritage Auctions President Greg Rohan talks about how his love of coins became much more than a hobby   By Jeff Garrett for Numismatic Guaranty Corporation...

Certified Collectibles Group Expanding in Sarasota, Florida

The Certified Collectibles Group (CCG) has expanded its Sarasota, Florida footprint to 82,000 square feet through the purchase of a 21,000 square foot facility....

1907 Ultra High Relief $20 Realizes Astounding $3.6 Million in Paramount...

Rare and spectacular vintage US gold coins certified by Numismatic Guaranty Corporation (NGC) achieved extraordinary results in a Heritage Auctions sale of US coins from...