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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)

PMG Announces Bond and Stock Certificate Grading Services

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Jeff Garrett & NGC: What to Do with Coins You Inherited

Jeff Garrett: What to Do with Inherited Coins

Online resources can help you find someone you can trust   By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   When the public brings in coins for appraisal,...

NGC Certifies 10,000,000 American Silver Eagle Coins

Numismatic Guaranty Corporation® (NGC®) has announced that it has certified more than 10,000,000 American Silver Eagles. It is the first third-party grading service to...

Jim Bisognani: Are Rainbow Toned Coins a Top Tier?

It's chilly but the markets for bullion and rainbow coins are hot   By Jim Bisognani - NGC Weekly Market Report ......   After being greeted with a rather chilly 44...

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Numismatic Guaranty Corporation® (NGC®) has certified one of the first 10 Morgan dollars struck by the San Francisco Mint. This incredible piece of numismatic...

Rare Coin Expert Miles Standish Donates Quarter-Million Dollars to His High...

In gratitude for his academic and athletic education, well-known professional numismatist Michael “Miles” Standish has created a $250,000 trust fund for his Portage, Michigan...

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Numismatic Guaranty Corporation® (NGC®) has certified an incredible error coin: a Seated Liberty half dollar struck on a quarter planchet. This stunning error is...

NGC, NCS and PMG Appoint Marudhar Arts an Official Submission Center...

The Certified Collectibles Group® (CCG®) has appointed Marudhar Arts an Official Submission Center in India. CCG's independent member companies include Numismatic Guaranty Corporation® (NGC®),...

Jeff Garrett: The Big Five Coins Everyone Covets

By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   When I started my full-time career in numismatics around 1977, numismatic rarity was measured against five coins....

NGC Adds Submission Tracking to Mobile App

Numismatic Guaranty Corporation® (NGC®) has added a submission tracking feature to its comprehensive NGC mobile app, which is available to download for free from...

Gold Coins Offering Huge Bargains in Today’s Trade Atmosphere

The World's Fair of Money is underway! All that glitters isn't always old gold coins   By Jim Bisognani - NGC Weekly Market Report ......   The so-called dog days of...

NGC Grades Important Collection of Chinese Patterns Featuring Mao Zedong

Numismatic Guaranty Corporation® (NGC®) has certified a spectacular collection of patterns featuring the likeness of Mao Zedong, the leader of the People's Republic of...