Numismatic Guaranty Company

NGC was founded in 1987 and has become one of the largest third-party grading services. Their parent company is the Certified Collectibles Group (CCG).
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NGC-X Trading Coins.

NGCX Certifies Trading Coin

Numismatic Guaranty Company (NGC) has announced that NGCX is certifying precious metal legal tender trading coins created by Celebrity Mint. NGCX, of course, certifies...
The first and last 100 pound coins struck with Queen Elizabeth II / King Charles effigies. Image: Stack's Bowers / CoinWeek.

Stack’s Bowers Offers Royal Succession Coins Certified by NGC

Numismatic Guaranty Company (NGC) is honored to have certified a magnificent group of coins that mark the historic transition of British coinage from Queen...

The 1920 Wilson Dollar: A Counterfeited Rarity

An elusive Wilson Dollar medal represents a challenge for collectors of higher grades   The Wilson Dollar by Numismatic Guaranty Company ...... The Wilson dollar was struck...

Counterfeit Coin Detection – Altered Date 1815 Half Dollar

The altered date on this half dollar imitates a true numismatic rarity   Altered Date Counterfeits by Numismatic Guaranty Corporation ...... In the early part of the...
NGC announces new, more secure holograms and barcodes. Image: NGC.

NGC Introduces High-Security Hologram With Unique QR Codes

Numismatic Guaranty Company (NGC) is introducing a new high-security hologram as part of its comprehensive efforts to combat counterfeiting and create a safer marketplace...
2002 American Silver Eagle Counterfeit Detection.

NGC Counterfeit Detection: 2002 American Silver Eagle

A counterfeiter hoped that this computer-generated fake would fly under the radar   By Numismatic Guaranty Company (NGC) ...... The American Silver Eagle is the flagship silver...

Counterfeit Coin Detection – 1913 Great Britain Gold Sovereign

By Numismatic Guaranty Corporation ...... These two counterfeits share some of the same imperfections. The British gold Sovereign is one of the most popular and enduring...

Tetradrachms of Alexander the Great

Silver Tetradrachms of Alexander III of Macedon NGC Ancients examines the silver tetradrachms of Alexander III of Macedon (356–323 BCE), better known as Alexander the...
A porous texture is visible on many of the devices, as seen on the reverse.

NGC Counterfeit Detection: 1873 Half Dollar

Don't be fooled by this coin, which bears a lot of obvious red flags   By Numismatic Guaranty Company (NGC) ...... A few weight changes occurred during...
CGC Trading Cards and CSG Combine Into CGC Cards - A New Card Grading Service

CGC Trading Cards and CSG to Combine Into 2nd-Largest Card Grading Service

In July, Certified Collectibles Group (CCG) will combine CGC Trading Cards and Certified Sports Guaranty (CSG) into CGC Cards. Grading virtually all trading card...
NGC on Global Growth, Technology, and New Grading Scale: An Interview with Mark Salzberg

Mark Salzberg Announces Retirement From NGC, CCG

NGC Chairman Mark Salzberg has announced that he will retire at the end of June 2023. His retirement is the culmination of a nearly...
NGC Counterfeit Detection: 2023 American Silver Eagle

NGC Counterfeit Detection: 2023 American Silver Eagle

There are numerous design flaws noted on this fake that reveal it is a poor imitation of one of the United States’ most beautiful...
Counterfeit Detection 1903 Barber dime.

Counterfeit Coin Detection – 1903 Barber Dime

Just because a Barber dime is not a great rarity doesn't mean it won't be a target for counterfeiters   The Barber Dime series (1892-1916) holds...
1861-S Quarter Dollar Counterfeit Detection.

Counterfeit Coin Detection – 1861 Seated Liberty Quarter

A counterfeiter was hoping that this transplanted mintmark would fly under the radar   By Numismatic Guaranty Company (NGC) ..... In 1855, the relatively new San Francisco...
Counterfeit Coin Detection - 1841 Seated Liberty Silver Dollar

Counterfeit Coin Detection – 1841 Seated Liberty Silver Dollar

The 1840s were a time of real change for the silver dollar, but this particular coin is a fake   By Numismatic Guaranty Company (NGC) ..... The...

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