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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

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)

CGC Launches Trading Card Division to Grade Pokémon, Magic Cards

Certified Guaranty Company® (CGC®) has launched CGC Trading Cards, a division to authenticate, grade and encapsulate Pokémon TCG and Magic: The Gathering cards. CGC is...

NGC Certifies 2020 West Point Mint Hoard Coins From US Mint...

Numismatic Guaranty Corporation® (NGC®) is excited to announce that it is certifying a stockpile of backdated gold and silver coins that were specially released...

Counterfeit Coin Detection – 1912 Indian Head $10 Gold Eagle Coin

Counterfeit Coin Detection by Max Spiegel, NGC .....   The raised spikes at the rim of this 1912 $10 Indian Head Eagle are one detail collectors...

NGC Announces Official ANA Grading and Conservation Services Special Event

Last week, the American Numismatic Association (ANA) announced that the 2020 World’s Fair of Money is suspended due to COVID-19 restrictions. The highly anticipated...

Counterfeit Coin Detection – 1793 Flowing Hair Large Cent

Counterfeit large cents - 1793 Flowing Hair Cent - Tooling Marks; Raised Lines   By Max Spiegel, NGC ........   The first coins struck by the United States Mint...

How Big Is the Rare Coin Counterfeiting Problem?

Counterfeit Coins by Jeff Garrett for Numismatic Guaranty Corporation ......   The issue of counterfeiting rare coins has been around for a very long time For years, the...

Grading Event Offered by NGC Following ANA Show Suspension

Grading Event Offers 20% Discount on Coin Submissions   The American Numismatic Association (ANA) has just announced that the 2020 World’s Fair of Money is suspended...

NGC Certifies Majority of Emergency Production 2020(P) Silver Eagles

Numismatic Guaranty Corporation® (NGC®) has already certified more than half of April’s emergency production of 240,000 American Silver Eagles at the Philadelphia Mint. The Philadelphia...

Counterfeit Coin Detection – 1915-S Panama-Pacific Half Dollar

Tool marks, soft design details and dull surfaces help NGC graders identify a counterfeit coins, in this case a 1915-S Panama-Pacific Half Dollar.   By Max Spiegel,...

NGC-Certified Franklin Half Dollars Highlight GreatCollections Auction

Online bidding ends soon for the May 31 sale   One of the leading auction houses, GreatCollections, currently has some of the finest-known NGC-graded Franklin half...

NGC Certifies 1st Olympic Basketball Gold Medal Ever Awarded

Numismatic Guaranty Corporation® (NGC®) has certified the first Olympic gold medal for basketball ever awarded. This ultimate symbol of the sport's rise to a...

Former House Speaker Boehner Signs Emergency Eagle Inserts

Westminster Mint offers scarce emergency production 2020 silver American Eagles with John Boehner-autographed NGC inserts   A former Speaker of the U.S. House of Representatives, the...

NGC Attributing Tomaska Die Varieties for Franklin, Kennedy Half Dollars

Numismatic Guaranty Corporation® (NGC®) is now attributing Proof Franklin half dollars and Proof Kennedy half dollars according to the die varieties cataloged by Rick...

NGC Coins and PMG Notes Impress in Stack’s Bowers May Sale

A coin certified by Numismatic Guaranty Corporation® (NGC®) and a note certified by Paper Money Guaranty® (PMG®) achieved the top results in the Stack’s...

Famous British Rarity Una and the Lion Gold Coin Realizes Over...

A famous British rarity certified by Numismatic Guaranty Corporation® (NGC®) realized 86,500,000 Yen (about $810,000 USD) in a Taisei Coins auction. The 1839 Victoria...