Numismatic Guaranty Company

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 Company (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 Company (NGC)

Thomas Uram Signature Labels Available Exclusively From Bullion Shark

By Bullion Shark LLC ......   Thomas J. Uram, a longtime leader within the numismatic community, has signed an exclusive deal with Numismatic Guaranty Company (NGC)...
Counterfeit Coin Detection - Chinese Counterfeit 1800 Draped Bust Dime

Counterfeit Coin Detection – Chinese Counterfeit 1800 Draped Bust Dime

Counterfeit 1800 Draped Bust Dime   By Max Spiegel –  Numismatic Guaranty Company (NGC) ......   Draped Bust dimes, struck 1796 to 1807, had fairly low mintages, although...
Jeff Garrett: Great Stories Make Coins Great

Jeff Garrett: Great Stories Make Coins Great

By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   Shortly after finding out that I am a rare coin dealer, new acquaintances will often begin...

Counterfeit Coin Detection – 1802 Draped Bust Silver Dollar

Counterfeit 1802 Draped Bust, Heraldic Eagle Reverse Silver Dollar   By Max Spiegel – Numismatic Guaranty Corporation ......   The Draped Bust, Heraldic Eagle Reverse silver dollar...
Jim Bisognani: My 11th Annual NGC Year in Review

Jim Bisognani: My 11th Annual NGC Year in Review – Part...

Numismatic Market Review by Jim Bisognani – NGC Weekly Market Report ......   Part 1 | Part 2 The new year is here, and as we approach...
Jeff Garrett: Guide to Determining Coin Prices

Jeff Garrett: Guide to Determining Coin Prices

By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   In recent years, the world of rare coin price guides has changed dramatically. When I began...
Counterfeit Coin Detection: 1879 Double Eagle US Gold

Counterfeit Coin Detection: 1879 Double Eagle US Gold

Counterfeit 1879 Double Eagle   By Max Spiegel – Numismatic Guaranty Corporation ......   A repeat depression helps NGC graders identify a counterfeit 1879 Double Eagle   Every United...

Recently Discovered Top Pop 1830 Quarter Eagle Highlights UK Auction

The St. James’s sale presents a quarter eagle that has been out of view for nearly two centuries   An extremely rare 1830 Quarter Eagle certified...
Jim Bisognani: My 11th Annual NGC Year in Review – Part 2

Jim Bisognani: My 11th Annual NGC Year in Review – Part...

Numismatic Market Review by Jim Bisognani – NGC Weekly Market Report ......   For Part 1, Click Here As I sat down at my computer to prepare...
Jeff Garrett: The Future of Live Coin Auctions

Jeff Garrett: The Future of Live Coin Auctions

By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ......   The last two years have been challenging in so many ways for everyone worldwide. The COVID-19...
McCloskey Coin Collection Featured in Heritage Auctions FUN Show Sale

McCloskey Coin Collection Featured in Heritage Auctions FUN Show Sale

Numismatic Guaranty Company (NGC) is proud to have certified more than 1,000 coins from the prestigious collection of John W. McCloskey, a renowned numismatic...

Jeff Garrett – A Christmas Miracle and Lessons Learned

A lost coin is found and lessons are learned in a numismatic holiday caper   Reposted from December 6, 2019 by Jeff Garrett for Numismatic Guaranty...

USA Coin Album: Coin Ghosts of Christmas Past

By David W. Lange - Research Director, Numismatic Guaranty Company (NGC) ......   Because the holiday season is rapidly approaching, I’ll finally break precedent and do...
Heritage World Coins, Paper Money Auctions Combine to Top $13.8 Million

Chinese Pattern Realizes NGC-Certified World Record $2.16 Million

A vintage Chinese coin certified by Numismatic Guaranty Company (NGC) just sold for $2.16 million, setting a world record for an NGC-certified Chinese coin....
NGC Ancients - Coinage of Larissa

NGC Ancients – Coinage of Larissa

Coins of the Greek city of Larissa are among the most beautiful of the ancient world   By Numismatic Guaranty Company (NGC) ......   Located in central Greece,...