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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

NGC 30th Anniversary Video

6/21/2017

The video highlights some of the company’s achievements, including its international expansion

Numismatic Guaranty Corporation® (NGC®) has released a video to celebrate its 30th anniversary.

Founded in 1987, NGC has been 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 37 million coins certified.

The NGC 30th Anniversary Video highlights some of the company’s achievements, including its international expansion. NGC now grades coins full-time at its offices in the United States and China and operates Official Submission Centers in China, Germany, Hong Kong, Korea, Singapore and Japan.

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Numismatic Guaranty Corporation (NGC)

Jim Bisognani: These Lincolns Make Cents

Solving the copper conundrum; summer expos around the corner   By Jim Bisognani - NGC Weekly Market Report .....   Although the first day of summer is a month away, spring...

NGC Upgrades Mobile App with NGC Registry and Other New ...

Numismatic Guaranty Corporation® (NGC®) has announced significant updates to its NGC mobile app, which is available to download for free from the App Store...

CAG-Certified Medals, Flags, Wright Flyer Pieces Excel at 2nd Armstrong Family...

The second sale of the Armstrong Family Collection, which was entirely certified by Collectibles Authentication Guaranty (CAG), realized more than $2.3 million at Heritage...

Jeff Garrett: Who Are the Best Sources of Rare Coins and...

Dealers' operations have gotten bigger and are moving online, but personal connections remain important   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   Other than plucking...

Central States US Coin Auction Claims Over $19 Million

Are six-figure coins a bargain?   By Jim Bisognani - NGC Weekly Market Report .....   May already! I don’t know about you, but in New Hampshire I am still waiting...
Paper Money Guaranty (PMG) Grades Highlights From Lou Manzi Collection of United Kingdom Banknotes

PMG Grades Highlights From Lou Manzi Collection of United Kingdom Banknotes

Paper Money Guaranty® (PMG®) has certified over 280 selections from the Lou Manzi Collection of United Kingdom Notes. The amazing group includes numerous rarities...

PMG Hires Matt Quinn as Grading Finalizer

Paper Money Guaranty® (PMG®) has hired industry veteran Matt Quinn, who joins its team of expert grading finalizers on May 1. Matt Quinn has been...
NGC Ancients: Roman Coins on a Budget

NGC Ancients – Collecting Roman Coins on a Budget

Roman coins are readily available and can be acquired for reasonable prices By Numismatic Guaranty Corporation (NGC) ......   Like so many areas of numismatics, ancient coins...

NGC Grades Gold and Palladium Rarities in Germany

Numismatic Guaranty Corporation® (NGC®) graded two significant collections during its recent on-site grading event in Munich, Germany, held February 18-23, 2019. The collections were...

NGC-Graded World Coins to be Featured in Early May Daniel Frank...

Gold rarities from a famous shipwrecked fleet are among the NGC-certified coins offered in the Daniel Frank Sedwick auction. NGC-certified gold coins attributed to the...
Additional CAG-Certified Items From Armstrong Family Collection Being Sold

Additional CAG-Certified Items From Armstrong Family Collection Being Sold

Bidding is underway for several hundred artifacts that Collectibles Authentication Guaranty™ (CAG™) certified from the Armstrong Family Collection™. The collection, which is entirely certified...

Jeff Garrett: Golden Opportunities to Grow the Coin Collecting Hobby

Programs such as the Great American Coin Hunt are helping promote numismatics   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   In the past, National Coin...

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...

US Coins: Collecting is a Marathon

Be willing to learn, set your pace and stay focused on the goal   By Jim Bisognani - NGC Weekly Market Report .....   As I sit down to my computer...

NGC Announces $20,000 in Prizes for 2019 Registry Awards

Numismatic Guaranty Corporation® (NGC®) has announced that prizes valued at more than $20,000 will be awarded for the 2019 NGC Registry Awards. The NGC Registry...