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)

NGC-Certified Brasher Doubloon Realizes a Record $9.36 Million at Partrick...

By Numismatic Guaranty Corporation (NGC) ......   The finest Brasher Doubloon, graded MS 65★ by Numismatic Guaranty Corporation (NGC), sold for an astounding $9.36 million USD...

NGC and PMG World Price Guides Licensed by Active Interest Media

Numismatic Guaranty Corporation (NGC) and Paper Money Guaranty (PMG) have entered into a license agreement with Active Interest Media. The Standard Catalog of World Coins and the Standard...

New Silver Eagle Reverse Engraver Michael Gaudioso Inks Exclusive Signature Label...

Michael Gaudioso, engraver of the new American Silver Eagle reverse, has agreed to sign certification labels exclusively for Numismatic Guaranty Corporation (NGC). The addition...

Jeff Garrett: Collecting Details-Graded Coins

Details grading offers benefits such as ensuring authenticity and salability, in addition to presenting an affordable path to set completion   By Jeff Garrett for Numismatic...

NGC Certifies First Sacagawea-Presidential Dollar Mule

Numismatic Guaranty Corporation (NGC) has certified the first known mule of a Sacagawea Dollar and a Presidential Dollar. This incredible error, which paired a Sacagawea...

Jim Bisognani: It’s Time for My 10th Annual NGC Year in...

In the second half of the year-end roundup, collectors and dealers consider how the coin market is affected by increased internet browsing, decreased face-to-face...

CSG Grading Service for Sports Cards Launching Soon: NGC

Certified Sports Guaranty (CSG) will launch in February to provide sports card collectors and dealers with expert, impartial and efficient certification services. You can...

Jeff Garrett: Mirror, Mirror – The Appeal of the Prooflike Morgan...

Who is the fairest of them all? A strong argument can be made for a Prooflike Morgan Silver Dollar   By Jeff Garrett for Numismatic Guaranty...
NGC Signs Exclusive Signature Label Deal With Jennie Norris, Designer of New American Gold Eagle Reverse

NGC Signs Exclusive Signature Label Deal With Jennie Norris, Designer of...

Numismatic Guaranty Corporation (NGC) is excited to announce that Jennie Norris, designer of the new American Gold Eagle reverse, is signing certification labels exclusively...

Modern Coin Counterfeit Detection – 2012 Year of the Dragon Silver...

Modern Counterfeit 2012 China Dragon 10 Yuan This particular counterfeit has reflective areas not seen on the authentic coin due to the die not being...

PMG Certifies Famous “Del Monte” $20 Error Note Offered by Heritage

Paper Money Guaranty (PMG) has certified the famous “Del Monte” error note – a 1996 $20 Federal Reserve Note printed over a Del Monte...

Jim Bisognani: It’s Time for My 10th Annual NGC Year in...

As the year comes to a close, coin collectors and dealers reflect on the unprecedented year and what 2021 holds for the rapidly changing...

Counterfeit Detection: 1963-D Roosevelt Dime With Altered Bands

Careful examination of this 1963-D Roosevelt Dime reveals an alteration to the torch   Altered Roosevelt Dime by Numismatic Guaranty Corporation ......   Coins are altered in a...

PMG Certifies World’s Greatest Collection of National Bank Notes

Paper Money Guaranty (PMG) has announced that it recently certified the extraordinary collection of National Bank Notes assembled by Andrew Shiva, one of the...

NGC Certifies Enormous Gold Coins Celebrating the Year of the Rat

Coins include a 2-kilogram as well as a 10-kilogram, the largest of the 2020 Chinese Lunar coins   Numismatic Guaranty Corporation (NGC) has certified two more...